MSI SPATIUM M461 PCIe 4.0 NVMe M.2 2TB Internal SSD PCIe Gen4 NVMe (SPATIUM M461 PCIe 4.0 NVMe M.2 2TB)
Bottom line: The MSI SPATIUM M461 PCIe 4.0 NVMe M.2 2TB Internal SSD PCIe Gen4 NVMe ($299.99 on Amazon as of 2026-10-06): Gen4x4 sequential reads to 5000MB/s, writes to 4400MB/s; main trade-off: 5000MB/s trails newer Gen4 drives that hit 7000MB/s.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Gen4x4 sequential reads to 5000MB/s, writes to 4400MB/s
- ✓ Rated up to 3300 TBW endurance for heavy write workloads
- ✓ NVMe 1.4 compliant, so host memory buffer and standby work
- ✓ M.2 2280 single-sided form factor fits most desktop and laptop slots
Cons
- ✗ 5000MB/s trails newer Gen4 drives that hit 7000MB/s
- ✗ No listed DRAM cache, so sustained large writes may throttle
- ✗ Capacity tops out at 2TB, no 4TB option in the line
- ✗ No heatsink included, so you supply the motherboard shield
Manufacturer description
MSI SPATIUM M463 PCIe 4.0 NVMe M.2 2TB Internal SSD PCIe Gen4 NVMe (SPATIUM M463 PCIe 4.0 NVMe M.2 2TB)
SpecPicks Verdict
SpecPicks scored MSI SPATIUM M461 PCIe 4.0 NVMe M.2 2TB Internal SSD PCIe Gen4 NVMe using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Compare with similarly-priced alternatives in the ssds & storage category before committing. 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
- PCIe Gen4x4 interface and complies with the NVMe 1.4 standard
- Sequential Read speeds up to 5000MB/s and Write speeds up to 4400MB/s
- Up to 3300 TBW
- Built-in data security and error-correction capabilities
- 1TB to 2TB capacities in M.2 2280 form factor
Full Specifications
| Brand | msi |
|---|---|
| Color | Black |
| Model Name | SM461N2TB |
| Read Speed | 5000 Megabytes Per Second |
| Unit Count | 1.0 Count |
| Form Factor | M2 |
| Media Speed | 4400 megabits_per_second |
| Model Number | S78-440Q550-P83 |
| Built-In Media | SSD |
| Hard-Drive Size | 2 TB |
| Mfr Part Number | S78-440Q550-P83 |
| Number of Items | 1 |
| Special Feature | Portable |
| Installation Type | Internal Hard Drive |
| Compatible Devices | Desktop |
| Data Transfer Rate | 5000 Megabytes Per Second |
| Enclosure Material | Solid State Storage Chip |
| Additional Features | Portable |
| Hard Disk Interface | NVMe |
| Warranty Description | 5 year manufacturer |
Ready to buy?
MSI SPATIUM M461 PCIe 4.0 NVMe M.2 2TB Internal SSD PCIe Gen4 NVMe (SPATIUM M461 PCIe 4.0 NVMe M.2 2TB) 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 2026-10-06. Price and availability subject to change.
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