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Two green 240-pin DDR3L server DIMMs in static bags

A-Tech

A-Tech 64GB (2x32GB) DDR3L 1066 ECC RDIMM 240-Pin 4Rx4 1.35V Server RAM

SKU CH-EW7B-W3EQZ

64 GB dual-channel kit of DDR3L 1066 ECC registered DIMMs, 240-pin, 4Rx4, 1.35 V for servers and workstations

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR3L 1066 (PC3L 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Rated voltage1.35 V
  • Buffer typeRegistered

Capacity 64GB (2 x 32GB)

  • 64 GB total capacity in a dual-channel 2×32 GB kit
  • DDR3L 1066 MHz speed rated at PC3L-8500R for server workloads
  • ECC registered RDIMM with 4Rx4 quad-rank organisation for data integrity
  • Low-voltage 1.35 V DDR3L operation reduces power draw and heat
  • 240-pin DIMM form factor fits DDR3 server and workstation slots

Server-grade DDR3L ECC RDIMM kit

This A-Tech kit supplies 64GB of DDR3L 1066 ECC registered memory in two 32GB modules. It targets administrators upgrading compatible servers or workstations that require registered DIMMs with error correction. The low-voltage 1.35V DDR3L standard reduces power draw compared with standard DDR3. Systems must support DDR3 ECC RDIMM architecture to use this kit.

Dual-channel registered DIMM configuration

The two modules populate a dual-channel memory controller when installed in matched slots according to the system manual. Registered buffering and 4Rx4 quad-rank organisation place less electrical load on the memory bus, allowing larger total capacities per channel. No desktop or laptop motherboard accepts this form factor; only qualified server and workstation platforms with 240-pin DDR3 RDIMM sockets can use it.

Lifetime warranty and US-based technical support

Every module undergoes validation testing before shipment to confirm reliable operation in qualified systems. A-Tech backs the kit with a lifetime warranty and provides complimentary United States based technical support for installation guidance and troubleshooting. No additional software, heatsinks or accessories are bundled with the memory modules.

How it compares

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

Price $96.99
Cheaper than about 70% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $1.52 per GB
Cheaper than about 95% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR3 Server Memory RAM
Model nameA-Tech 32 GB 4Rx4 PC3L-8500R
Total capacity64 GB (2 × 32 GB)
Performance
Rated speedDDR3L 1066 (PC3L 8500)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Kit configurationDual Channel Kit
Power
Rated voltage1.35 V

Other versions of this model

5 more in the same range

Questions about this item

Does the 1066 MHz speed or the CL7 latency limit sustained throughput first?

The 1066 MHz DDR3L speed sets the maximum data rate, so it is the first limit reached under sustained load. CL7 latency affects access delay, not peak bandwidth.

How much heat and power do the two 32 GB modules draw when running all day?

Each module operates at 1.35 V low voltage; total kit power stays within standard DDR3L registered DIMM limits, producing modest heat that typical server airflow handles.

What must the system already have to use this 240-pin quad-rank registered kit?

A server or workstation motherboard with DDR3 ECC registered memory slots that accept 4Rx4 modules and support 1.35 V DDR3L operation.

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