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Four green DDR3 memory sticks with gold contacts, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions CM10246412800DIMM 32GB (4x8GB) DDR3 1600 memory upgrade

SKU CH-JC6X-VR1RE

32 GB DDR3-1600 kit of four 8 GB unbuffered DIMMs validated for Dell OptiPlex 790 desktops

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 32 GB total capacity from four matched 8 GB modules
  • 1600 MHz DDR3 speed rated at PC3 12800 for responsive multitasking
  • CL11 11-11-11 timings at 1.5 V for stable operation
  • 240-pin unbuffered non-ECC DIMMs built with major-brand chipsets
  • Guaranteed compatible with Dell Optiplex 790 MT, DT and SFF desktops

32 GB DDR3 Kit for Dell Optiplex 790

This 32 GB kit contains four 8 GB DDR3 modules rated at 1600 MHz with CL11 timings. It is built specifically for Dell Optiplex 790 MT, DT and SFF desktop systems. The unbuffered, non-ECC DIMMs operate at 1.5 V and use major-brand chips.

Suits owners upgrading a compatible Optiplex 790

Buyers needing ECC error correction or registered modules should look elsewhere. Systems that require a different pin layout, voltage or memory generation cannot use this kit. The four-stick package fills all slots on supported motherboards.

240-pin DDR3 1600 interface

The 240-pin DDR3 1600 (PC3-12800) specification is the single detail that determines whether the modules fit and function in the target machine. Matching this exact interface and speed is essential for compatibility.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $73.99
Cheaper than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $2.31 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246412800DIMM
Total capacity32 GB (4 × 8 GB)
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsDell Optiplex 790 Mt/Dt/Sff Desktops
In the box
Included items4 Memory RAM Sticks

Questions about this item

My Dell Optiplex 790 MT uses 240-pin DDR3 slots — will this kit fit directly?

Yes, the kit uses 240-pin DDR3 DIMMs rated at 1600 MHz and 1.5 V, matching the Optiplex 790 MT/DT/SFF slot specification.

If I keep two of my current 8 GB modules and add two from this kit, will the system run stably?

The modules are unbuffered, non-ECC, CL11 2Rx8 parts; mixing ranks or timings can cause instability, so replacing all four slots with this matched kit is recommended.

After installing all four sticks, how do I confirm the system sees the full 32 GB at 1600 MHz?

Enter the BIOS on the Optiplex 790 and check that memory reports 32 GB total and a speed of 1600 MHz (PC3-12800) with CL11 timings.

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