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Four green LRDIMM memory modules with gold contacts

Simmtec, Inc

Simmtec, Inc 64GB (4 x 16GB) DDR3 1333 PC3-10600 1.35V LRDIMM server RAM

SKU CH-YRTY-ZWVZ0

Four 16 GB DDR3 1333 LRDIMM modules totalling 64 GB at 1.35 V for Dell PowerEdge M620 servers

  • Total capacity64 GB (4 × 16 GB)
  • 64 GB total capacity across four 16 GB modules
  • Low-voltage 1.35 V DDR3 reduces server power draw
  • Load-reduced DIMM design supports dense memory configurations
  • Validated for Dell PowerEdge M620 with part number A6994475

Server LRDIMM kit for PowerEdge M620

This 64 GB kit consists of four 16 GB DDR3 LRDIMM modules rated at 1333 MT/s and PC3-10600. It is built for Dell PowerEdge M620 servers that require load-reduced memory running at 1.35 V.

Dell A6994475 compatible upgrade path

The modules match the A6994475 specification and install directly into the M620 memory slots. Load-reduced design lowers electrical load on the memory bus, freeing capacity headroom for virtualisation workloads without exceeding the platform voltage envelope.

How it compares

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

Price $46.99
Cheaper than about 85% 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).
Price per GB $0.73 per GB
Cheaper than about 98% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Total capacity64 GB (4 × 16 GB)

Questions about this item

Will four 16 GB LRDIMMs at 1.35 V hit a thermal or power ceiling first when the Dell PowerEdge M620 runs sustained workloads?

Each module operates at 1.35 V DDR3 1333; the LRDIMM buffer reduces electrical load on the memory bus, so the platform’s memory-subsystem power budget is typically reached before the DIMMs themselves hit a thermal limit.

What fan-noise and heat increase should I expect when the 64 GB kit runs continuously in a PowerEdge M620?

The 1.35 V LRDIMMs draw less current per gigabyte than standard RDIMMs, so the M620’s existing cooling curve usually handles the extra 32 GB without spinning fans beyond their normal idle-to-load ramp.

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