What interface does the PM951 support?

The interface is PCIe Gen3 8Gb/s x4, enabling NVMe protocol. This is standard for Dell 3WF8W in supported systems including OptiPlex and Latitude.

What controller is in the Dell 3WF8W?

It features the Samsung UBX 3-Core controller, used across SM951-NVMe capacities including 512GB. Paired with 16nm MLC NAND for performance.

What NAND type is used?

16nm MLC NAND is utilized in all capacities of the Samsung SM951-NVMe, corresponding to Dell PM951 3WF8W 512GB model.

3WF8W - Dell 3WF8W PM951 512GB M.2 NVMe SSD

Name: Dell 3WF8W PM951 512GB M.2 NVMe SSD
Brand: Dell
SKU: 3WF8W
Price: 185 USD
Availability: InStock

3WF8W - Dell 3WF8W PM951 512GB M.2 NVMe SSD | US IT Hardware

Product overview

The Dell 3WF8W is a 512GB M.2 NVMe SSD based on the Samsung PM951 design. It belongs to the Solid State Drives category, specifically M.2 NVMe with 512GB TLC NAND. This drive is identified in Dell systems documentation for M.2 NVMe upgrades in Precision, OptiPlex, Latitude, and XPS models. The PM951 variant corresponds to Samsung SM951-NVMe specifications, featuring M.2 form factor, PCIe Gen3 x4 interface, Samsung UBX 3-Core controller, and 16nm MLC NAND. Sequential read performance reaches up to 2150 MB/s for 512GB capacity; sequential write up to 1550 MB/s. It supports 512-byte sectors and M key notch for PCIe x4 and SATA compatibility. Designed for ultra-slim notebook PCs and workstations, it provides storage solutions for Dell-compatible high-performance computing needs. The drive is listed in various Dell parts and third-party listings as an internal solid state drive.

512GB M.2 NVMe storage capacity
PCIe Gen3 x4 interface, M.2 form factor
Samsung UBX 3-Core controller
16nm MLC NAND flash
512-byte sectors
M key notch for PCIe x4 compatibility

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	3WF8W
Brand	Dell
Condition	Refurbished
Model	PM951
Form Factor	M.2 2280
Product Line	PM951
Product Type	Solid State Drive
Component for	Server/workstation
Storage Capacity	512 GB

Performance

NAND Type	Triple-Level Cell

Best for

Ultra-slim Notebooks
Suitable for high-performance storage in slim notebook PCs due to M.2 form factor.
Workstations
Provides NVMe storage for workstations with PCIe Gen3 x4 interface.
Dell System Upgrades
Compatible with Precision, OptiPlex, Latitude, XPS systems supporting M.2 NVMe.

Frequently asked questions

What is the capacity of the Dell 3WF8W SSD?

The Dell 3WF8W PM951 provides 512GB capacity, categorized as M.2 NVMe 512GB TLC. This matches Samsung SM951-NVMe 512GB model MZVP512HDGL, suitable for Dell systems like Precision and XPS.

What form factor does the 3WF8W use?

Details

Shipping, warranty & returns

Customer reviews

No reviews yet — be the first to review this part.

NVMe Enterprise & Data Center SSDs Dell Enterprise SSDs Enterprise SSDs

Dell 3WF8W PM951 512GB M.2 NVMe SSD