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OEM SAMSUNG PM9B1 256GB M.2 PCI-e GEN 4X4 NVME SSD Internal Solid State Drive 80mm 2280 Form Factor M Key
Oemgenuine

OEM SAMSUNG PM9B1 256GB M.2 PCI-e GEN 4X4 NVME SSD Internal Solid State Drive 80mm 2280 Form Factor M Key

Bottom line: The OEM SAMSUNG PM9B1 256GB M.2 PCI-e GEN 4X4 NVME SSD Internal Solid: Samsung PM9B1 OEM drive on PCIe Gen 4x4, not a slower Gen 3 NVMe; main trade-off: 256GB fills fast if you store games or large media libraries.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Samsung PM9B1 OEM drive on PCIe Gen 4x4, not a slower Gen 3 NVMe
  • ✓ Standard M.2 2280 M-key fits most laptop and desktop slots as-is
  • ✓ 2-year Oemgenuine warranty on a bulk OEM part

Cons

  • ✗ 256GB fills fast if you store games or large media libraries
  • ✗ Bulk packaging: no mounting screw, cable, or adapter included
  • ✗ Sold as Oemgenuine-branded Samsung; exact model number may vary
  • ✗ No heatsink included, so Gen 4 thermals depend on your board

Manufacturer description

Oemgenuine Branded SAMSUNG - Exact Model Numbers May Vary•Capacity:256GB•Form Factor:M.2 2280 PCIe GEN 4X4 NVME SSD•Key Type:M Key•Model:MZ-VL42560•Hardware Requirements:M.2 slot•Dimension:22mm x 80mm x 2.38mm•Size:Fits 2280 as is•Compatibility:Laptop & Desktop Compatible•Included:Bulk Packaging - Only the Drive is included. Any screws, cables, or adapter needed are sold separately•Warranty:2-Year Oemgenuine Warranty

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SpecPicks Verdict

SpecPicks scored OEM SAMSUNG PM9B1 256GB M.2 PCI-e GEN 4X4 NVME SSD Internal Solid… using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Oemgenuine's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Capacity: 256GB / Interface: M.2 2280 PCIe NVME SSD
  • Dimension: 22mm x 80mm x 2.38mm / Key Type: M Key
  • Size: Fits 2280 as is / Compatibility: Laptop & Desktop Compatible
  • Bulk Packaging - Only the Drive is included. Any screws, cables, or adapter needed are sold separately
  • Warranty: 2-Year Oemgenuine Warranty

Full Specifications

SizeFits 2280 as is / Compatibility: Laptop & Desktop Compatible
BrandOemgenuine
ColorBLACK
Capacity256GB / Interface: M.2 2280 PCIe NVME SSD
Warranty2-Year Oemgenuine Warranty
Dimension22mm x 80mm x 2.38mm / Key Type: M Key
Model NameMZ-VL42560
Form FactorM2
Model NumberMZ-VL42560
Hard-Drive Size256 GB
Mfr Part NumberMZ-VL42560
Number of Items1
Special FeaturePortable
Installation TypeInternal Hard Drive
Compatible DevicesLaptop
Enclosure MaterialNand Flash
Additional FeaturesPortable
Hard Disk InterfaceNVMe
Hard Disk DescriptionSolid State Drive
Hard Disk Form Factor2280 inches

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OEM SAMSUNG PM9B1 256GB M.2 PCI-e GEN 4X4 NVME SSD Internal Solid State Drive 80mm 2280 Form Factor M Key is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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OEM SAMSUNG PM9B1 256GB M.2 PCI-e GEN 4X4 NVME SSD Internal Solid State Drive 80mm 2280 Form Factor M Key
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