Twice for each time a Community Member had a problem with it. ) Depth 292. 0. 1. Dell™ OptiPlex™ 745 Tech Specs MINITOWER DESKTOP SMALL FORM ULTRA SMALL FORM FACTOR . Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 745c - FREE US Delivery. DDR2 PC2-5300 667MHz / PC2-6400 800MHz Non-ECC DIMM. 00 P&P. 25-03-2011 13:00 PM. 00. Download and install the latest drivers, firmware and software. 790 uses main stream socket lga1155. Dual SSD/HDD Metal Mounting Bracket kit 2. 1GHz Intel Core 2 Duo Processor - 2GB Memory - Windows 7 Home Premium. I want to extend the memory to maximum. You can look on the specs for the maximum suggested wattage for that PCIe slot, but I didn't have any trouble. Mmansueto. Check out this thread with practical test that 8GB RAM as maximum for Optiplex 760. Regulatory Information. System. It, being a desktop and not a server motherboard, uses a non-ECC type of memory. So it looks like the comment I mentioned in my first post either was referring to a parts availability issue or a HW issue that Dell fixed. I will say that Dell made them in a bazillion different configurations, but for the 745's. 77. - RAM tests include: single/multi core bandwidth and latency. Radeon 1300x to GTX 1050 Mini. 13ghz 3 GB ram(2+1)Ddr2 2gb GeForce GT 610 ddr3 graphics card and 280 watt psu So please suggest me if I can max up my pc with 16gb (4X4) Ddr2 ram to improve the performance. 90 Reviews. Memory specifications . Intel Q965 Express Chipset. 3. 4GHz - 4GB RAM - 1TB HDD - Microsoft Windows 7 Home Premium. Can 8gb dimms be used in these machines? I think I saw a discussion somewhere that an even older dell was successfully running a full 32 gb. Dell's new OptiPlex Energy Saver offering takes power management a step further by pre-setting the BIOS to go into low power state after 15 minutes of inactivity, instead of the Energy Star standard of 30 minutes. Get the best deals on Dell OptiPlex 745 Towers and find everything you'll need to improve your home office setup at eBay. 5" (SATA) SSD Interface: SATA 3. Hello. I am also supposed to find two CPUs that are compatible with this computer. 0 GB, fill all the slots with the max allowed memory per slot for your Computer. 1. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. Maximum Memory; 16GB: Memory Expansion Slots / Banks; 4 Slots: Memory Type & Info; DDR2 PC2-5300. El modelo OptiPlex 745 puede trabajar con memorias de 533, 667 y 800 MHz, pero deben ser DDR2 dual-channel SDRAM. Small Form Factor Standard commercial desktop including DDR4 memory, 8 native USB ports, 1 native DisplayPort, and 1 native HDMI. The graphics has gone bad and she'd like to upgrade to something a little faster with a large screen. DDR2 is dirt cheap now too, and you can get this for under 10 on ebay. From the Dell Manual: Memory Type DDR3 Speed 1333 MHz Connectors two DIMM slots Capacity 1 GB, 2 GB, and 4 GB Minimum Memory 1 GB Maximum memory 8 GB. 4 sockets. 66GHz processor does not work in the Optiplex 745. 63 kg) Chassis. 4 GB. I have a Dell optiplex 380 SFF and want to max the ram. Memory Type & Info. 5-inch internal SSD • SATA 6. Fast & Free shipping on many items!. Restart required. OptiPlex 3090 Micro. Dell OptiPlex from 2005 to 2009 followed Intel's BTX standard. Dell™ optiplex™ 740 technical guiDe 3 DELL ™ optipLEx ™ 740 The Dell OptiPlex 740 is the right choice for customers aiming to balance image stability and end-user performance. Espero que esta información le sea de utilidad. If you are still unsure you can use our Online Chat for assistance or call our knowledgeable sales team at (800) 662-7466. i have a dell optiplex 3010 i5 3470 with 16gb of ram in it right now. The 745 came in different chassis sizes. With the max spec for the 3080 being 2666MHz, faster RAM, even though may be compatible, will likely run at 2666MHz. 13 GHz, 1066 MHz FSB) Intel Core 2 Duo Processor E6400 (2M Cache, 2. 0. Buy Memory RAM Upgrades for your Dell Optiplex 780 [Desktop] - 100% Compatibility Guaranteed. OptiPlex 3090 Tower. Top Solutions. guess ill have to do 1x8 then. It has 4 memory slots and came with 4 Hynix dimms, 2gb each, for a total of 8gb. For information about Dell OpenManage Client Instrumentation, see the Dell OpenManage Client Instrumentation User's Guide available on the Dell Support website at support. Memory Warranty. guven6. The memory speeds supported include 667 and 800 MHz DDR2 memory. Windows Vista, 32-bit. 66 GHz. Dimensions and weight. OptiPlex 210L OptiPlex 210Ln OptiPlex 3000 Micro OptiPlex 3000 SFF OptiPlex 3000 Tower OptiPlex 3010 Desktop OptiPlex 3010 Mini Tower OptiPlex 3010 Small Form Factor OptiPlex 3011 All-in-One. It was fast with 4GB. Hi!. Intel® Core™2 Duo Processor E6600 (4M Cache, 2. ANY GX620 will be better and faster than a GX150. 0Gb/s • 540 MB/s Read, 500 MB/s Write. 4 Slots. 100. Maximum System Memory (uses 2GB DIMMS) 8GB1 8GB1 8GB1 4GB1 800MHz Memory configurations 8GB1 DDR2 Non-ECC SDRAM, 800MHz, (4 DIMM) X X X32-bit Windows has an address space of 4GB. The following are Dell validated Low Profile PCI-e 16X video cards for this chassis -. Customized deployment, remote management and flexible security features can help you simplify your. Get at least an Optiplex XE2 to replace it rather than trying to update such an old model. Supports Dual Channel DDR2. An SSD isn't really needed on such an old machine. Note the Dell Optiplex 745 is available in 4 sizes. Memory Type & Info. 6″ Laptop – Intel Celeron – 2gb Memory – 32gb Emmc Flash Memory – Bali Blue Best Dell Optiplex 790 Dual Monitor Best Dell Optiplex 380 Cpu. Top Solutions. From the Dell OptiPlex memory page you can now select your model, Dell OptiPlex 745 (Small form factor) Memory. Dell™ OptiPlex™ 745 Tech Specs MINITOWER DESKTOP SMALL FORM ULTRA SMALL FORM FACTOR . Dell Optiplex 7010 Small Form Desktop, Intel Quad Core i7. This includes swaps between different Dell models. Find replacement parts and upgrades for Your Dell system by selecting a brand or product model. Best choice memory for Dell Optiplex 755 Desktop Computer. PNY CS900 1TB 3D NAND 2. Memory Jan 30, 2023. Description Values. 3. My computer is a "refurbished" old minitower. The DVD works I have tested it. USFF chassis was released separately and resembles the OptiPlex 9xx case and a maximum of 8 GB RAM due to 2 DIMM slots. Solving Problems: Dell OptiPlex 745 User's Guide Check the monitor power light — If the power light is off, firmly press the button to ensure that the monitor is turned on. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade at Amazon. $37. Here's the Intel specs on an Intel motherboard with a H61 Express Chipset (same as OptiPlex 390) - Max Memory 16 GB using 2 DIMMs (in other words, 2x8GB). Buy OptiPlex 745 Desktop RAM with confidence, we provide lifetime warranty on all RAM Modules purchased, backed with an excelled customer support. Max Resolution (DP)‡ 3840x2160@60Hz. Note regarding operating systems not listed above: Dell may not support an operating system for various reasons, including discontinued support from the software vendor, lack of availability with certain products, or other reasons. optiplex 745 2. The system has a 1gb chip installed from the factory. Delivering a robust feature set incorporating many of the latest business-relevant technologies, the OptiPlex 745 has the flexibility and configurability to meet most desktop user needs. 10. 135%. 1600mhz memory will only perform as 1600mhz memory when 3rd generation (iVb) cpus are used. Manuals for all formats-- Support for OptiPlex 990 | Documentation | Dell US. At Mr Memory you get enhanced speed and peak performance with every upgrade, taking your device to the limit. But I will try adding one first, so is it supported to have 2x 1GB and 1x 2GB sticks configuration? The existing memories are DDR2 PC-5300 by t. or Best Offer. Fast & Free shipping on many items!. 5. Hello, 'Old but gold' company's 745 just had its HDD physical failure />60 000h/ wit original DELL'sWin XP on it. It will accept a maximum of 4gb of memory. 5 GB/s in dual channel mode 667MHz: 10. 0. Dell. "BIOS layout seems to be unpublished. [SOLVED] Max memory for Dell Optiplex 3010 ? Ahazuerus; Jan 29, 2023; Memory; Replies 10 Views 2K. - PC Builds. I'm considering to upgrade current Optiplex 745 with E6700. I got a not so new Dell optiplex 745 with a old Intel Pentium 4 530 @3. 256 MB, 512 MB, 1 GB, or 2 GB non-ECC. I'd like to take one or two of those. Minimum memory. Memory specifications . Instead putting money into an old PC, it might be wiser to upgrade to a somewhat newer Optiplex with 4-digit model # - 7010/7020/9010/9020. 4: 35. Dell OptiPlex 745 2. At 800 MHz: 4 GB. I have noticed many people upgrade their laptops beyond what Dell / other Laptop makers say is the maximum. 7 Pts: Min Avg Max; 64. Hard Drive: GB means 1 billion bytes and TB equals 1 trillion. Maximum Memory; 16GB: Memory Expansion Slots / Banks; 4 Slots: Memory Type &. Ahazuerus. Maximum Size SSD for XPS 8940. Go to the site and build a 745. M8811 DELL OEM DA-2 OPTIPLEX SX280 GX620 745 USFF AC POWER SUPPLY ADAPTER N112H. 8GHz) Memory Warranty. Max; 45. There are four memory connectors on this motherboard which hold 533MHz and 667MHz DDR2 SDRAM memory model. I have two Optiplex 755 SFF running VMware ESX 4. 00. I got a not so new Dell optiplex 745 with a old Intel Pentium 4 530 @3. / OptiPlex 745. 0. The fastest processors for the Optiplex 745 are: 1. The chipset is an Intel restriction but historically Dell goes over and above that and bios restricts upgrades to only certain cpus that were offered in the original models. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 745 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. . 478 Posts. Safely scan your system for max upgrade options. 520 vs 745. or Best Offer. 7 GB/s with dual channel. Please check that you are ordering for the correct Model, as the Memory does vary. 1 Message. Crucial RAM is one of the most Dell compatible RAM types. Example:29-07-2021 14:00 PM. Find Replacement Memory (RAM) for your Dell computer by selecting the product brand and/or model to find parts compatible with your Dell device. Dell Optiplex 960 Minitower Core 2 Duo e8500 (Planning on putting a Core 2 Quad or Xeon in it) 4x1gb DDR2 Ram Quadro FX 1800. Maximum memory. 50 in. Optiplex 3050 Spec Sheet. Gracias por participar del foro de soporte Dell. The OptiPlex 330 system supports four GB of memory 32 bit operating system. In theory, it can address 16 Exabytes of RAM. This item: 8GB Kit (4X2GB) Dell OptiPlex 745 DDR2 PC2-5300 Memory. View PDF. 2V 1Rx8 288-Pin UDIMM Desktop RAM Memory Module Hi all, First post but really need some advice asap before i buy the wrong items. Below memory compatibility will be DDR3 unless stated otherwise. So, again, there's no 8GB total RAM limit with the H61 Express Chipset. The supported RAM configurations are: 2 GB, 4 GB, 6 GB, 8 GB, and 16 GB. Este equipo soporta hasta 8GB de memoria de 533, 667 y 800MHz DDR2. In Stock. 4 GB, 8 GB, 16 GB, 32 GB. . I currently use Ghost 2003 to image most of my computers. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 745 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. What can we help you to find. It looks like DDR2 PC6400 MAX (which I would expect since PC8500 is for overclocked ram) and also 2GB modules max and 1. Max memory is 64GB (Tower/SFF) and 32GB (Micro) 4GB (1x4GB) 2666MHz DDR4 Memory 8GB (2x4GB) 2666MHz DDR4 MemoryMemory Upgrade for Dell Optiplex 755 Small Form Factor Computer, Upgrade Optiplex 755 Small Form Factor Memory with 100% compatible 755 Small Form Factor Dell RAM modules from memorystock. 1 bid. Best choice memory for Dell OptiPlex 780 Computer. 4. $1. Thanks for the update! If the RAM didn't work on another known good system then it should definitely be the issue, but if you have good RAM in the other system it might be worth a shot testing it to make sure the Optiplex boots, or if you have 2 sticks that are causing the beep just try 1 (alternating between the two, because it might be only 1 stick. Maximum memory. Wireless *. There may be different Versions of this Model (e. SMALL FORM HARD DRIVE OPTIONS Supported Types Serial ATA. Publish date: 01 JUN 2006. 24 lbs. Can anybody clearify this Statement from the product brief: "Delivers up to 12. Providing quality memory products since 1986. . If you're not sure how to find RAM that matches your PC, "Optiplex 755 RAM" is an example of a search term. Desktop/Workstation RAM upgrade » OptiPlex 390 by Dell. 40 GHz, 1066 MHz FSB) Intel Core 2 Duo Processor E6420 (4M Cache, 2. English EN; Português PT; Espanol ES;Dell™ OptiPlex™ User’s Guide Microsoft Windows XP Help and Support Center 1 Click Start →Help and Support Dell User and. 06 GHz, 256 KB L2 Cache. Solution. Example: Just a note: I'm sure I've seen it elsewhere also, but the top CPU (That I know of to work) in a Optiplex 745 is an Intel Q6700 Core 2 Quad. Beyond 8GB is good for RAM heavy apps or servers. Get drivers and downloads for your Dell OptiPlex 745. Blog 1-800-821-3354 Call: 1-800-821-3354. Free shipping!. 0 (6Gb/s) Show full device specification. 7 by 2. Dell™ OptiPlex™ 745 Tech Specs MINITOWER DESKTOP SMALL FORM ULTRA SMALL FORM FACTOR . See answer (1) Best Answer. 4GB or Greater System Memory Capability: A 64-bit operating system is required to support 4GB or more of system memory. SMALL FORM HARD DRIVE OPTIONS Supported Types Serial ATA. Maximum RAM; 4 GB (4 x 1 GB 800 MHz)/8 GB (4 x 2 GB 667 MHz) RAM Expansion Slots / Banks; 4 sockets: RAM Type & Info; PC2-4200/5300/6400. $67. Both dual-channel and single-channel configurations are supported. I tried resetting the ram but same problem. 00Ghz with 1gb of sYstem RAM, a 80gb seagate hard drive, a 305w power supply And integrated intel gma 3000 graphics, my question is, Can i replace the old Pentium 4 that is 90nm with a Pentium e5500 or a Core 2 Duo e6750 tha. Dell™ Optiplex™ 745c power efficient performance Dell is committed to offering the latest in powerful, energy efficient PC’s. 00 –Dell sometimes does custom implementation of the Intel spec for a chipset. Not cheap, but here we go. 0. FREE delivery Fri, May 19. In the Dell "Tech Specs" for the Optiplex 745 in the memory section, there is this note: Modules Types Supported 512-MB, 1-GB, or 2-GB (800MHz. 00Ghz with 1gb of sYstem RAM, a 80gb seagate hard drive, a 305w power supply And integrated intel gma 3000 graphics, my q. Why does crucial recommend a higher maximum ram limit for my system than the system manufacturer? At Crucial®, we. Table 1. 8GB 4X2GB Dell OptiPlex 745 DDR2 PC2-5300 Memory. Thanks guys but there is no image on the monitor. View PDF. This came out of the Optiplex 320: ProMOS Technologies V916765K24QBFW-F5 1GB 2Rx8 DDR2-667-MHz-CL5 PC2-5300U-555-12-EO 0720-W2863369. 6 latest I can find. After removing 2 sticks (4GB) it boots again. System CPU Type. The Picture below is an example of what memory part numbers look like but is not the CT917856 listed above. OptiPlex. (example: DDR3L) DDR3 is not backward-compatible with DDR2. this and other discussion in community hopefully might reach Dell engineering eventually if enough users complain, but the only known person with some inside connection is the community manager. OptiPlex 3280 All-in-One. com . We would like to show you a description here but the site won’t allow us. To get the best performance and speed from your Optiplex, upgrade to the maximum memory. 35 V operation for memory. Description Values. The 745 is limited to dual core for top CPU vs. 35V Non ECC Unbuffered SODIMM Laptop Notebook Memory RAM Module Upgrade Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro(Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late. I understand that this CPU supports upto 32 GB RAM. donm4599x. I have found a potential Hynix module (HMA81GS6DJR8N), but there are some differences between. If you are still unsure you can use our Online Chat for assistance or call our knowledgeable sales team at (800) 662-7466. The Dell Optiplex 745 Desktop provides the perfect blend of relevant technology that users demand, all at a price that won't bust the budget. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. If the system and OS is 64 bits, it isn't a architectural reason to have a limit of memory to 4 or 8 GB. How many. it will perform as 1066mhz memory if. I got after Crucial twice this year for having the wrong RAM on their website. System CPU Type. Description Values. if your looking at one of these i would reccomend them because they blend into everyday use and tasks. Lifetime Warranty. Get drivers and downloads for your Dell OptiPlex 745. Supports Dual Channel DDR2. " I meant to say "I have yet toCrucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 745c - FREE US Delivery. KingstonMemoryShop stocks memory upgrades for your Dell Optiplex 745 Desktop to boost performance and capacity. FREE. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS 2pcs. 35 V operation for memory. Business and gaming graphics: 6. Dell Latitude 9430 Maximum Memory. However, I was wondering if the included 305W. We always send matched modules, when you order 2 or more. Guaranteed Compatible with Dell OptiPlex 745 Mini Tower Computer. 533 aka PC2 4200 is TOO SLOW for ANY 745 with ANY processor. (example: DDR3L) DDR3 is not backward-compatible with DDR2. Dual Core E4400 2. . Example: Below memory compatibility will be DDR3 unless stated otherwise. 4) After a fresh install of Vista Business 32-bit, the system boots up and seems fine. ) Weight. DDR2 PC2-5300 667MHz / PC2-6400 800MHz Non-ECC DIMM. Hi I have a question about upgrading my RAM from 8gb 2666mhz to 8gb 2x = 16gb 3200mhz. 66Ghz, 95w and 1333mhz bus speed. 00 GHz, 1 MB L2 Cache or Up to 1-core Intel Celeron D 346, 3. Both are in portrait mode. Read moreFind compatible Memory (RAM) for your Dell device - Optiplex Desktops. In this state the dynamic RAM is maintained. It's on a 1280x1024 monitor, so I can't tell you if it runs games at 1080p, but for an HTPC it should be fine. 29-08-2020 12:00 PM. 2. System CPU Type. 4. DDR2 RAM should be installed in matched pairs so you'd need to install 2 of them. 0. 240w in the SFF. 3-3. upgrade for Dell OptiPlex 745. Tower Plus High performance desktop with new DDR5 memory, 10 native USBs including 1 USB-C,. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade 4. Dell OptiPlex 745 Systems User's Guide Publish date: 01 JUN 2006. Free delivery and free returns with a 100% money back guarantee. Current OS xp pro. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. Weight (maximum): 21. DELL OptiPlex 3010 7010 9010 DT250W L250ED-00 PS-5251-11DA Power Supply tc32. Recenty, I have been thinking of upgrading the included e6300 to a q6600. Upgrading to 4-8 GB if you want to run Windows 10 is a good idea. Dell™ OptiPlex™ 745 Tech Specs MINITOWER DESKTOP SMALL FORM ULTRA SMALL FORM FACTOR . A memory upgrade is the easiest and. 1 bios makes 8GB memory system fail to boot. Optiplex 780 Tech Guide. $29. The Computer has 2 sockets to install memory, already with basic factory installed standard memory installed. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade 4. g. Maximum Memory: 32GB: Maximum Memory Per Slot: 16GB: Number Of Memory Sockets: 2: Device Specifications; Make & Model: Dell OptiPlex 7050 Micro Form Factor [MFF]. OptiPlex. Bios is A21. SMALL FORM HARD DRIVE OPTIONS Supported Types Serial ATA or. This Refurbished Dell OptiPlex 745 is designed. If you can give me the model of your motherboard, I can make a recommendation. Maximum memory: 8GB Standard memory: 1 or 2GB removable All compatible upgrades DRAM Internal SSD External SSD Filter Internal SSD for: OptiPlex 745 Series (Desktop. The following table lists the memory specifications of your OptiPlex 5000 Small Form Factor. Data Memory Systems’ Memory Finder will help you make the correct choice. memory type, and comes installed with 0 MB (removable) memory. Advanced customisations (like battery, mobile broadband, and more) can be. Dell Optiplex 745 Minitower Upgrade. Core2 Quad Q6700 at 2. Upon plugging in the power cord, the cpu gives two long, low beeps (more like a buzz almost). CPU; Core2 Quad Q6600 Intel $100 Bench 42%, 59,658 samples: 59x: Core2 6300 Intel $70 Bench 34%, 5,234 samples: 27x:. Both are in portrait mode. 0. Experts in Dell Optiplex compatible upgrades. I got the 430 used for $15 or so. 5-inch internal SSD • SATA 6. Buy Dell Optiplex 745 accessories. The large 500gb Hard Drive and 4gb of ram should give you the perfent blend of speed and storage. I got a not so new Dell optiplex 745 with a old Intel Pentium 4 530 @3. So it has 2x 1GB RAM sticks right now and I would like to populate the 3rd and 4th slots with 2GB sticks. 89 Add to cart. 8 Gb/s (DDR2 800 dual 6. All Mr Memory recommended upgrades are 100% compatible with your Dell. The Optiplex 745 from Dell is a small form factor desktop that offers plenty of value in a little package. (745) NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included. Add to Cart. This item: 8GB 4X2GB Dell OptiPlex 745 DDR2 PC2-5300 Memory. Dimensions and weight . Drive Type: SATA II 3. Configuration ID: CT12877515. I recently bought an Optiplex 9020 in the mini-tower case, with 32 GB RAM, i7-4790, and a GeForce GTX 745 video card with 4 GB RAM on it. 22931. My system is a Dell Optiplex 745, 8GB of RAM, with Intel® Graphics Media Accelerator 3000 (integrated) OLD WEI ratings (using integrated video card) Windows Aero: 3. 3. 0 GHz. 533 aka PC2 4200 is TOO SLOW for ANY 745 with ANY processor. com. The PC's body measures 15. 5x. It can run 2x4GB DDR3 RAM. It was very confusing since the earlier spec says it supports up to 16GB while the latest manual version says it. I have an Optiplex 380 with 2 RAM slots which was listed as 4GB cpacity and I'm running 2x4GB=8GB DDR3 just fine. Maximum 4gb. Other standard loadouts for the Dell Optiplex 745 include Ethernet. (example: DDR3L) DDR3 is not backward-compatible with DDR2. This model also comes with Windows 7 Restore Disk Included. Featuring the Intel Core Duo processor available in speeds between 1. Free returns and support on all products. According to the Dell manual, specs, 8GB is maximum. i actually had an entire explanation typed out and thought i posted it it is a dell optiplex 745 with a intel core2 duo e4300 with 2mb cache at 1. Minimum memory configuration 4 GB Maximum memory configuration 32 GB Number of slots 2 UDIMM Maximum memory supported per slot 16 GB Memory options 4 GB - 1 x 4 GB 8 GB - 1 x 8 GB 8 GB - 2 x 4 GB 16 GB - 2 x 8 GB 16 GB - 1 x 16 GB 32 GB - 2 x 16 GB Type DDR4 SDRAM Non-ECC. 89 $ 64 . Dell sometimes does custom implementation of the Intel spec for a chipset.