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Green circuit board with black memory chips, low profile, gold edge connector, no heat spreader

OWC

OWC 32GB DDR4 3200 CL22 ECC Unbuffered VLP 288-pin Desktop RAM

SKU CH-0MDY-XPP7N

A single 32 GB DDR4 3200 module with ECC and CL22 latency for workstations, servers and NAS systems

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forWorkstations, Servers, and NAS Systems
  • 32 GB capacity lets you run more applications simultaneously
  • DDR4 3200 speed delivers high data throughput for demanding workloads
  • CL22 latency provides responsive memory access timing
  • ECC unbuffered design detects and corrects data errors for reliability
  • 2 V low voltage reduces power consumption and heat output

32GB ECC DDR4 module

This single 32GB DDR4 3200 CL22 DIMM adds ECC protection to compatible workstations, servers and NAS systems. It runs at 1.2V in an unbuffered 288-pin VLP form factor. The module targets users who need data integrity without registered buffering.

JEDEC DDR4 3200 limits

The stick follows the JEDEC PC4-25600 standard, so its maximum transfer rate is fixed at 3200 MT/s with CL22 timing. It cannot exceed that specification without manual overclocking, which the vendor does not endorse. Voltage is locked to 1.2V by the same standard.

32GB capacity headroom

One 32GB rank pair handles large datasets, virtual machines and ZFS caches comfortably. Workloads that exceed 32GB per slot will require additional modules or higher-density DIMMs not covered by this part. Mixing capacities or speeds is not recommended by the manufacturer.

How it compares

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

Price $310.99
Pricier than about 76% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $9.72 per GB
Pricier than about 66% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number3E2V42R832 GB
Total capacity32 GB
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Questions about this item

Does this module fit a standard 288-pin DDR4 desktop DIMM slot?

Yes, it uses the 288-pin DDR4 form factor used by most desktop workstations and servers that accept unbuffered ECC memory.

Can I mix this 32 GB stick with my existing non-ECC RAM?

Mixing ECC and non-ECC modules is not recommended; the system will typically disable ECC or fail to boot, so populate all slots with identical ECC modules.

What does the CL22 rating mean for real-world responsiveness?

CL22 indicates 22 clock cycles of CAS latency at 3200 MT/s, which is standard timing for JEDEC DDR4 3200 and delivers stable throughput for server and NAS workloads.

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