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Four green DDR4 RDIMM sticks with gold contacts and black heat spreaders, 288-pin registered ECC server memory kit

A-Tech

A-Tech 128GB (4x32GB) DDR4 2133 ECC RDIMM 2Rx4 server RAM

SKU CH-D67Z-W93EV

A 128 GB quad-channel kit of four 32 GB DDR4 2133 MHz ECC registered DIMMs with dual-rank x4 organisation, CL15 latency and 1.2 V operation for server and workstation upgrades

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity from four 32 GB modules
  • ECC registered DIMM protects data integrity in servers
  • DDR4 2133 MHz speed with CL15 latency
  • Quad-channel kit optimises memory bandwidth
  • 2 V standard voltage reduces power draw

128GB quad-channel ECC RDIMM kit

This 128GB kit contains four 32GB DDR4 2133 modules built for registered ECC server and workstation platforms. The dual-rank x4 organisation and CL15 latency suit multi-threaded workloads that demand data integrity. It is not compatible with desktop or laptop computers.

Registered 288-pin DIMMs at 1.2V

Each module uses major-brand chips on a 288-pin registered DIMM running at the standard 1.20V. The registered buffer reduces electrical load on the memory controller, allowing full population of all four slots in supported quad-channel systems. Verify your platform's qualified-vendor list before installation.

Replaces non-ECC or lower-capacity DDR4 RDIMMs

The jump is worthwhile when your workload outgrows unbuffered memory or when single-rank modules limit total system capacity. If your board only accepts unregistered DIMMs or caps speed below 2133, this kit will not function.

How it compares

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

Price $429.99
Pricier than about 68% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $3.36 per GB
Cheaper than about 86% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR4 Server Memory RAM
Model nameA-Tech 32 GB 2Rx4 PC4-2133P-R
Total capacity128 GB (4 × 32 GB)
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Kit configurationQuad Channel Kit
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

What DDR4 speed and PC4 rating does this kit run at?

The modules run at DDR4 2133 MHz with a PC4-17000 data rate.

What physical slot and pin count do these RDIMMs need?

They require a 288-pin DDR4 DIMM slot on a server or workstation motherboard.

How should the four modules be seated for quad-channel operation?

Install one module per channel following the motherboard manual's population order.

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