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Two green DDR4 DIMM sticks, 288-pin, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 32GB (2x16GB) DDR4 2666MHz CL19 288-Pin DIMM memory upgrade

SKU CH-BGEH-9J6NX

A 32 GB DDR4 kit with two 16 GB modules at 2666 MHz CL19 for Lenovo ThinkCentre M920 systems

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 32GB total capacity in a matched 2x16GB kit
  • DDR4 2666MHz speed rated at PC4-21300 bandwidth
  • CL19 latency with 19-19-19 timing at 1.20V
  • Guaranteed compatibility with Lenovo ThinkCentre M920 SFF and Tower models
  • 288-pin unbuffered non-ECC DIMM using major brand chipset

Lenovo ThinkCentre M920 DDR4 upgrade

This 32 GB kit contains two 16 GB DDR4 modules rated at 2666 MHz with CL19 timings. It is built for Lenovo ThinkCentre M920 SFF, Tower, M920s SFF and M920s Tower systems that accept 288-pin unbuffered non-ECC DIMMs.

Matched pair for dual-channel operation

The two sticks are tested together so the platform can run in dual-channel mode without manual tuning. Installing them as a pair avoids the speed penalty that occurs when mismatched modules force the system to the slowest common setting.

Limited to four slots and 64 GB total

The supported ThinkCentre models provide only four DIMM sockets and a 64 GB ceiling, so this kit occupies half the slots and half the maximum capacity. Systems that need more than 64 GB or more than four modules cannot use this platform.

How it compares

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

Price $183.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.75 per GB
Cheaper than about 68% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048642666DIMM
Total capacity32 GB (2 × 16 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo ThinkCentre M920 SFF, M920 Tower, M920s SFF, M920s Tower
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 16GB sticks need replacing if I later expand to the 64GB maximum?

Yes, the four slots hold 64GB total, so reaching that limit means swapping both 16GB modules for larger ones.

What limits sustained throughput first, the CL19 timing or the 2666MHz bus?

The 2666MHz bus sets the peak bandwidth ceiling; CL19 latency affects response time but does not raise that ceiling.

How much heat and power do the two 1.20V unbuffered DIMMs add during all-day operation?

Each module runs at 1.20V without a heat spreader, so combined power draw and thermal output stay low inside the ThinkCentre M920 chassis.

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