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Green 288-pin DDR4 server memory module, 32GB LRDIMM with black chips

A-Tech

A-Tech 32GB DDR4 2133 ECC LRDIMM 4Rx4 Samsung M386A4G40DM0-CPB M386A4G40EM2-CPB Server RAM

SKU CH-3YMY-CPRWT

32 GB DDR4 2133 ECC load-reduced DIMM compatible with Samsung M386A4G40DM0-CPB and M386A4G40EM2-CPB

  • Total capacity32 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • 32 GB capacity lets servers handle larger workloads
  • DDR4 2133 MHz speed matches PC4-17000 data rate
  • ECC LRDIMM design reduces electrical load on memory bus
  • CL15 latency at 1.2 V standard voltage
  • 288-pin DIMM form factor fits DDR4 server slots

32GB DDR4 2133 ECC LRDIMM

This 32GB DDR4 2133 module is built for server and workstation platforms that require ECC load-reduced memory. It uses a 288-pin DIMM form factor and operates at 1.2V with CL15 timing. The 4Rx4 organisation helps dense configurations run reliably under sustained workloads.

Simple slot installation, verify LRDIMM support

Installation follows the standard 288-pin DIMM procedure: align the notch, press until the latches click, then confirm detection in BIOS. The most common issue is inserting the module into a system that only accepts registered DIMMs instead of load-reduced variants, so checking the motherboard manual first avoids a non-booting system.

Suits dense server upgrades, not desktop builds

This module suits administrators expanding memory in compatible rack or tower servers that explicitly support DDR4 ECC LRDIMM. Builders assembling consumer desktops, laptops or workstations limited to unbuffered or standard registered DIMMs should look for memory matching those platforms instead.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $86.99
Cheaper than about 73% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $2.72 per GB
Cheaper than about 91% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity32 GB
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Power
Rated voltage1.2 V

Questions about this item

How can I confirm the 32GB module is running at the rated 2133 MHz speed after installation?

Enter the system BIOS or UEFI and verify the memory frequency reads 2133 MHz; CPU‑Z or dmidecode on Linux will also show DDR4‑2133 and CL15 timings.

What comes in the box and is anything else required to install this LRDIMM?

The box contains one 32GB 288‑pin DDR4 ECC LRDIMM module; no extra cables, brackets or software are needed — just an available LRDIMM slot.

Which version should I choose if my server requires a Samsung M386A4G40DM0-CPB or M386A4G40EM2-CPB replacement?

This A‑Tech 32GB DDR4‑2133 ECC LRDIMM 4Rx4 module is listed as a compatible equivalent for both Samsung part numbers.

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