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

Axiom

Axiom 4X70V98061-AX 16GB DDR4 2933 ECC Registered CL21 memory upgrade

SKU CH-ZRP3-AR208 MPN 4X70V98061-AX

16 GB DDR4 ECC registered DIMM at 2933 MT/s for Lenovo ThinkStation P520c

  • Total capacity16 GB
  • Rated speedDDR4 2933 (PC4 23466)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Product type288-Pin DDR4 SDRAM
  • 16 GB capacity expands workstation memory for larger datasets
  • ECC registered design detects and corrects single-bit errors automatically
  • DDR4 2933 speed delivers 23466 MT/s bandwidth for demanding workloads
  • CL21 latency at 1.20 V balances responsiveness with power efficiency
  • 288-pin module validated for Lenovo ThinkStation P520c compatibility

System-Specific DDR4 Upgrade

This 16GB registered ECC module is built for the Lenovo ThinkStation P520c workstation. It targets professionals who need error-correcting memory for stable compute workloads on that exact platform.

Sustained Workload Behaviour

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC circuitry corrects single-bit errors in real time, maintaining data integrity across long rendering or simulation runs.

Thermals and Power Profile

The module runs at a standard 1.20V DDR4 voltage. CL21 latency at 2933 MT/s keeps power draw predictable without aggressive timing overhead. No active cooling is required on the DIMM itself.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $421.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $26.37 per GB
Pricier than about 73% of the 20,941 comparable items (median $8.19 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 nameAxiom
Model name4 × 70V98061-AX
Total capacity16 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2933 (PC4 23466)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo - ThinkStation P520c

Questions about this item

How much power does the 1.20V DDR4 2933 module draw during continuous all-day operation?

The module runs at the standard 1.20V DDR4 voltage, which keeps power draw low even under sustained load in a ThinkStation P520c.

Does my ThinkStation P520c need any specific BIOS setting or firmware revision to recognise this registered ECC DIMM?

The memory is validated for the ThinkStation P520c; install it in a supported slot and the system will detect the 16GB capacity automatically.

Can I mix this CL21 registered ECC stick with older unbuffered non-ECC DDR4 modules already in my P520c?

Registered ECC and unbuffered non-ECC DIMMs cannot be mixed; the motherboard requires all installed modules to share the same registered ECC type.

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