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Eight green circuit boards with black chips, gold edge connectors, no heat spreaders

A-Tech

A-Tech 256GB (8x32GB) DDR5 4800 ECC UDIMM 2Rx8 Server RAM

SKU CH-D9RT-N8YA2

Eight 32 GB DDR5 ECC UDIMM modules totalling 256 GB at 4800 MHz with CL40 latency and 1.10 V for servers and workstations

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered

Capacity 256GB (8 x 32GB)

  • 256 GB total capacity from eight 32 GB modules
  • DDR5 4800 MHz speed rated at PC5-38400 bandwidth
  • ECC unbuffered design corrects single-bit errors in servers
  • Dual-rank 2Rx8 organisation increases memory density per slot
  • Standard 1.10 V operation matches DDR5 baseline voltage

256 GB DDR5 ECC kit for servers

This kit contains eight 32 GB UDIMM modules that deliver 256 GB of DDR5 ECC memory. It is built for servers and workstations that require error-correcting unbuffered DIMMs. Desktop and laptop systems cannot use these modules.

UDIMM form factor limits expandability

The 288-pin unbuffered design fits only platforms that support DDR5 ECC UDIMM memory. Registered or load-reduced DIMM slots will not accept these modules. Maximum capacity depends on the number of DIMM slots your server board provides.

Dual-rank density handles heavy workloads

Each 2Rx8 module runs at 4800 MHz with CL40 latency and 1.1 V, giving high throughput for virtualisation and database tasks. Eight modules fill most dual-socket boards, leaving no room for further upgrades without replacing the kit.

How it compares

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

Price $5,560.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $21.72 per GB
Pricier than about 83% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR5 Server Memory RAM
Model nameA-Tech 32 GB 2Rx8 PC5-4800B-E EC4
Part numberAT32G8D5D4800ED8EC4N11 V
Total capacity256 GB (8 × 32 GB)
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL40
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V

Other versions of this model

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Questions about this item

Should I pick the 8 x 32 GB kit or a different capacity for my server?

The kit supplies 256 GB total across eight 32 GB modules, so choose it when your platform needs that full amount in a matched set.

What does DDR5 4800 actually deliver inside a compatible server?

It runs at 4800 MT/s with CL40 latency at 1.10 V, giving the bandwidth and error correction your workload expects from PC5-38400 ECC UDIMM modules.

How does the 288-pin ECC UDIMM interface limit what I can install?

The 288-pin DDR5 ECC unbuffered DIMM fits only server and workstation boards that explicitly support EC4 UDIMM; it will not work in desktop or laptop slots.

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