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Green printed circuit board with black memory chips and gold edge connectors

Supermicro

Supermicro MEM-DR464L-SL01-ER29 64GB DDR4 2933 ECC Registered server RAM

SKU CH-79T6-QHNZQ MPN MEM-DR464L-SL01-ER29

64GB DDR4 2933 ECC registered server memory with CL21 latency and 1.20V operation

  • Total capacity64 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • High-capacity 64GB module expands server memory headroom
  • DDR4 2933 speed delivers high throughput for demanding workloads
  • ECC Registered design corrects errors to protect data integrity
  • Dual-rank 2Rx4 organisation improves memory density and efficiency
  • Validated compatibility with X11DAi-N, X11DPT-B, X11DPT-PS, X11DPU-Z+ platforms

64GB DDR4 2933 ECC Registered module

This 64GB DDR4 2933 module targets server administrators who need maximum capacity per slot with error-correcting code and registered buffering. It fits 288-pin DIMM sockets in compatible Supermicro platforms such as the X11DAi-N, X11DPT-B, X11DPT-PS and X11DPU-Z+. The dual-rank 2Rx4 organisation delivers high density for memory-intensive workloads.

Sustained-load behaviour

Registered buffering reduces electrical load on the memory controller, helping stability when all channels are populated at 2933 MT/s. ECC detects and corrects single-bit errors during continuous operation, protecting data integrity in long-running compute or virtualisation tasks. CL21 latency and 1.20V voltage are maintained under constant throughput.

Build and connectivity

The 288-pin DDR4 form factor locks securely into standard server DIMM slots without adapters. Samsung original die (M393A8G40MB2-CVF) ensures consistent manufacturing quality across the module. Registered signalling and ECC circuitry add minimal height, preserving clearance for adjacent components in dense chassis.

How it compares

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

Price $267.99
Pricier than about 58% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $4.19 per GB
Cheaper than about 80% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSuperMicro
Model nameMEM-DR464L-SL01-ER29
Total capacity64 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.2 V
Size & build
Shipping weight0.12 kg
Package size311 × 226 × 48 mm

Questions about this item

Does the 1.20V DDR4 2933 module run cooler than higher-voltage alternatives under sustained load?

At 1.20V this DDR4 2933 registered DIMM draws the standard low voltage for its speed grade, so heat output is comparable to other DDR4 2933 modules and typical server cooling handles it without extra measures.

Must the motherboard have a 288-pin DDR4 slot and support registered ECC memory for this 64GB stick to work?

Yes, the module is a 288-pin DDR4 SDRAM with ECC and registered buffering, so the board must provide DDR4 slots that accept registered ECC DIMMs.

Will this 2Rx4 2933MT/s DIMM down-clock reliably when installed beside slower DDR4 registered modules in the same system?

The module operates at DDR4 2933 (PC4 23400) with CL21; when paired with slower registered DDR4 the memory controller will run all DIMMs at the lowest common speed.

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