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Four green circuit boards with gold contacts and black chips in a clear plastic tray

A-Tech

A-Tech 64GB (4x16GB) DDR5-5600 ECC UDIMM 1Rx8 Server RAM Kit

SKU CH-GD8Z-QV16Y

Four 16 GB DDR5 ECC UDIMM modules running at 5600 MHz with CAS 40 and 1.10 V for server workloads

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor Brand Chipset
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered

Capacity 64GB (4 x 16GB)

  • 64 GB capacity across four 16 GB modules supports heavy server workloads
  • DDR5 5600 speed with PC5 44800 bandwidth accelerates data-intensive tasks
  • ECC unbuffered design with 1Rx8 rank corrects single-bit errors for data integrity
  • 1 V standard DDR5 voltage reduces power draw under load
  • 288 pin DIMM form factor fits compatible server and workstation memory slots

Capacity and purpose

This A-Tech kit provides 64 GB of DDR5 server memory across four 16 GB UDIMM modules. It is built for workstations and servers that require ECC unbuffered DIMMs with a single-rank x8 organisation. The kit is not suitable for standard desktop or laptop platforms that lack DDR5 ECC UDIMM support.

Thermals noise and power

Each module operates at the standard DDR5 voltage of 1.10 V without a heat spreader. Power draw scales with the 5600 MT/s data rate and the 1Rx8 density, producing modest heat that typical server airflow handles without additional cooling. Acoustic impact is negligible because the modules have no moving parts.

Sustained load behaviour

Under continuous workloads the quad-channel kit maintains its rated 5600 MT/s speed and CAS latency of 40. ECC protection corrects single-bit errors in real time, preserving data integrity during extended compute or virtualisation tasks. The major-brand DRAM ICs are validated for reliable operation at the specified voltage and timing.

How it compares

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

Price $1,400.99
Pricier than about 83% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 70% of the 6,064 comparable items (median 32 GB).
CAS latency 40
Typical for this category: the median of 439 items is 40.
Price per GB $21.89 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 64 GB (4 × 16 GB) DDR5-5600 ECC UDIMM Server RAM Kit
Part numberAT16G4D5D5600US8EC4N11 V
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latency40
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Kit configurationQuad Channel Kit
Heat spreaderNo
Power
Rated voltage1.1 V

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 288-pin DDR5 UDIMM modules and which step is commonly missed?

Align the key notch on each 288-pin module with the slot, press firmly until both side clips click, and populate all four slots for quad-channel operation; the step often missed is checking the motherboard manual for the correct slot order to enable 1Rx8 quad-channel mode.

What maintenance or replacement will the 1.10V DDR5 ECC UDIMM kit need over time?

The modules have no heat spreader and no moving parts, so no scheduled maintenance is required; replacement is only needed if a module fails, which is covered by the lifetime warranty.

What limit appears first when the 5600 MHz quad-channel kit runs sustained workloads?

The CAS latency of 40 at DDR5-5600 sets the timing floor, and the 1.1V standard voltage limits further frequency scaling, so latency and voltage headroom become the first constraints under continuous load.

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