Oemgenuine OEM Union Memory 256GB M.2 PCI-e NVME SSD Internal Solid State Drive 42mm 2242 Form Factor M Key
Bottom line: The Oemgenuine OEM Union Memory 256GB M.2 PCI-e NVME SSD Internal Solid ($45.99 on Amazon as of 2026-10-07): Short 22 x 42mm 2242 form factor fits compact M.2 slots without an adapter; main trade-off: 256GB fills quickly with modern games and OS updates.
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*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Short 22 x 42mm 2242 form factor fits compact M.2 slots without an adapter
- ✓ Only 2.38mm thick, so it clears tight laptop and mini PC bays
- ✓ PCIe NVMe interface is faster than SATA-era 2242 drives
- ✓ M Key connector works in both laptops and desktops
- ✓ 2-year Oemgenuine warranty on an OEM Union Memory drive
Cons
- ✗ 256GB fills quickly with modern games and OS updates
- ✗ Bulk packaging: no screws, cables or adapters included
- ✗ Listing gives no rated read/write speeds or PCIe generation
- ✗ 2280-only slots need a separately sold adapter or bracket
Manufacturer description
Oemgenuine Branded Union Memory
SpecPicks Verdict
SpecPicks scored Oemgenuine OEM Union Memory 256GB M.2 PCI-e 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 2242 PCIe NVME SSD
- Dimension: 22mm x 42mm x 2.38mm / Key Type: M Key
- Size: Fits 2242 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
| Size | Fits 2242 as is / Compatibility: Laptop & Desktop Compatible |
|---|---|
| Brand | Oemgenuine |
| Capacity | 256GB / Interface: M.2 2242 PCIe NVME SSD |
| Warranty | 2-Year Oemgenuine Warranty |
| Dimension | 22mm x 42mm x 2.38mm / Key Type: M Key |
| Model Name | RPJTJ256MED1OWX |
| Form Factor | M2 |
| Model Number | RPJTJ256MED1OWX |
| Hard Disk Size | 256 GB |
| Item Type Name | Solid State Drive |
| Hard-Drive Size | 256 GB |
| Mfr Part Number | RPJTJ256MED1OWX |
| Number of Items | 1 |
| Special Feature | Portable |
| Hardware Platform | PC, laptop |
| Installation Type | Internal Hard Drive |
| Compatible Devices | Laptop |
| Enclosure Material | Nand |
| Additional Features | Portable |
| Hard Disk Interface | NVMe |
Ready to buy?
Oemgenuine OEM Union Memory 256GB M.2 PCI-e NVME SSD Internal Solid State Drive 42mm 2242 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.
*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
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