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Two green DDR4 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR4 2133MHz CL15 Non-ECC DIMM Lenovo ThinkCentre M900 B107

SKU CH-AHF9-8EZ1W

A 16 GB DDR4 kit (2 × 8 GB) running at 2133 MHz CL15, validated for Lenovo ThinkCentre M900 SFF and Tower systems

  • Capacity16GB (2 x 8GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Timing15-15-15
  • Voltage1.2V
  • 16 GB dual-channel kit expands ThinkCentre M900 capacity
  • DDR4 2133 MHz CL15 timing matches system specification
  • 2 V unbuffered non-ECC DIMMs fit standard 288-pin slots
  • Two 8 GB modules populate two of four available sockets
  • Guaranteed compatible with Lenovo ThinkCentre M900 SFF and Tower

16GB DDR4 Kit for ThinkCentre M900

This 16GB kit uses two 8GB DDR4 2133MHz CL15 modules built for Lenovo ThinkCentre M900 small-form-factor and tower systems. The unbuffered non-ECC DIMMs run at 1.2V and install in the standard 288-pin slots. Computer Memory Solutions tests each kit for guaranteed compatibility with the listed models.

Who should buy this and who should not

Buyers upgrading a compatible ThinkCentre M900 to 16GB will get a matched pair that meets the system’s DDR4 2133 specification. Systems already at the 32GB maximum or boards limited to slower speeds will not benefit from this kit. The modules lack heat spreaders, so they fit tight SFF chassis without clearance issues.

The spec that decides fit

The motherboard must accept DDR4 2133MHz CL15 unbuffered non-ECC DIMMs in a 288-pin package; otherwise the memory will not post or will run at a lower speed. The platform limit is 32GB across four slots, so this 16GB two-stick kit leaves two slots free for future expansion if the board supports the full capacity.

Highlights

  • 16 GB dual-channel kit expands ThinkCentre M900 capacity
  • DDR4 2133 MHz CL15 timing matches system specification
  • 2 V unbuffered non-ECC DIMMs fit standard 288-pin slots
  • Two 8 GB modules populate two of four available sockets
  • Guaranteed compatible with Lenovo ThinkCentre M900 SFF and Tower

Specifications

BrandComputer Memory Solutions
ModelCM1024642133DIMM
Capacity16GB (2 x 8GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Timing15-15-15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo ThinkCentre M900 (SFF/Tower)
Package Content2 Memory RAM Sticks

Questions about this item

Should I choose the 16GB 2x8GB kit or a single 16GB module for my ThinkCentre M900?

The 2x8GB kit runs in dual-channel mode on the M900’s four DIMM slots, giving higher bandwidth than a single 16GB stick while leaving two slots free for a future upgrade to the 32GB maximum.

What does the 2133MHz speed mean once installed in the ThinkCentre M900?

The modules will operate at 2133MHz with CL15 timing at 1.2V, matching the M900’s native DDR4 memory controller specification for stable performance.

How does the 288-pin DDR4 interface limit the upgrade on this system?

The 288-pin DDR4 DIMM format fits the M900’s four slots and caps total capacity at 32GB, so this 16GB kit uses half the available sockets and bandwidth headroom.

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