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Green circuit board DDR5 memory module with gold contacts and black chips

OWC

OWC 8GB DDR5 4800 CL40 1Rx16 288-pin 1.1V UDIMM for XPS 8950

SKU CH-XVN2-NHK98

Adds 8GB of DDR5 4800 CL40 memory to a Dell XPS 8950 for faster multitasking

  • Total capacity8 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx16
  • 8GB DDR5 4800MHz boosts multitasking on Dell XPS 8950
  • JEDEC-standard 1.1V module ensures stable, warranty-safe operation
  • CL40 CAS latency delivers responsive desktop performance
  • Single-rank 1Rx16 288-pin UDIMM fits straight into the memory slot
  • Replaces Dell part AB883073 for guaranteed compatibility

System-specific DDR5 upgrade for Dell XPS 8950

This 8GB OWC module is built to JEDEC standard DDR5 4800 CL40 timing at 1.1V. It uses a single-rank 1Rx16 layout on a 288-pin unbuffered non-ECC UDIMM. The part number 4U8D51R608GB replaces Dell part numbers AB883073 and SNP29NJ4C/8G for a warranty-safe installation.

Suits owners adding capacity to an XPS 8950.

Builders working on any system other than the Dell XPS 8950 should look elsewhere because this module is validated only for that model. Buyers needing ECC error correction or registered buffering must choose a different specification. The stick has no heat spreader, so users expecting one should consider other options.

8GB single-module capacity decides the fit

The kit provides exactly 8GB in one DIMM, so the total memory after installation depends on how many slots the XPS 8950 has free and what the board's maximum supported capacity per slot allows. Check the system documentation for the slot count and per-slot limit before purchasing.

How it compares

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

Price $125.99
Cheaper than about 65% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $15.75 per GB
Pricier than about 62% 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 nameOWC
Part number4U8D51R608 GB
Total capacity8 GB
Product type288-Pin DDR5 Non-ECC UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx16
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell XPS 8950

Other versions of this model

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Questions about this item

Should I pick the single 8 GB module or add a second stick for dual-channel?

The kit is one 8 GB DDR5 4800 CL40 UDIMM; adding a matching module enables dual-channel bandwidth on the XPS 8950.

What does the 4800 MT/s rating deliver in the XPS 8950?

The module runs at JEDEC 4800 MT/s CL40, giving standard DDR5 throughput for everyday multitasking in the XPS 8950.

Is the 288-pin DDR5 interface limited by the XPS 8950 memory controller?

The 288-pin DDR5 UDIMM connects directly to the XPS 8950 controller at 4800 MT/s with no further bottleneck.

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