Best Internal Solid State Drives AI pick
Chosen by an AI model from its trained knowledge, with its reasoning.
AI pick (line): Samsung 990 PRO
It is a top-tier PCIe 4.0 NVMe drive with DRAM, TLC flash and strong sustained performance, and it suits gaming, workstation and upgrade builds alike.
Not for: Owners of older laptops or desktops with only SATA M.2 slots, and budget builders who will not notice the difference over a cheaper NVMe drive.
AI picks by need
For PS5 expansion
WD_BLACK SN850X with heatsink (line)
It is a fast Gen4 drive whose heatsink version fits the PS5 expansion bay.
Not for: Laptops and other slim devices where a heatsink will not fit.
For value NVMe upgrade
WD Blue SN580 (line)
It is an inexpensive TLC Gen4 drive that is plenty fast for everyday PCs and laptops.
Not for: Heavy sustained-write workloads, because it has no DRAM cache.
For 2.5-inch SATA upgrade
Samsung 870 EVO (line)
It is a reliable SATA SSD for reviving older laptops and desktops that lack M.2 slots.
Not for: Any system with a free NVMe M.2 slot.
For M.2 2230 (Steam Deck, handhelds)
WD_BLACK SN770M (line)
It is a compact 2230 NVMe drive designed for handhelds and small laptops.
Not for: Desktops and laptops with full-length 2280 slots, which have better value options.
What the AI looks for in Internal Solid State Drives
- Slot and form factor
- Match the length (2230, 2242 or 2280) and confirm whether the M.2 slot supports NVMe, SATA or both. A SATA-only M.2 slot will not run an NVMe drive, and a drive that is too long will not mount.
- PCIe generation
- A Gen4 drive in a Gen3 slot works, but only at Gen3 speed. Gen5 drives cost more and run hotter, with little real-world gain for gaming or office use.
- Flash type and DRAM
- Prefer TLC flash. Choose a DRAM-equipped drive for heavy or sustained workloads. DRAM-less drives using HMB are fine for light use. QLC and DRAM-less drives slow down sharply once their caches fill.
- PS5 compatibility
- Use a PCIe Gen4 M.2 drive with heatsinking. The total height must fit within the bay's limit of about 11.25 mm. Sony requires cooling, and an oversized heatsink will not let the cover close.
- Endurance and warranty
- Compare TBW ratings and warranty length at the same capacity. These indicate how much writing the manufacturer will stand behind.
Brands that matter
- Samsung: 990 PRO, 990 EVO and 870 EVO lines. Keep firmware updated, since an early 990 PRO firmware had a health-reporting issue that was later fixed.
- WD / WD_BLACK: SN850X, SN770M and Blue lines. Strong across tiers.
- Crucial: T500 and T700 lines. Good value and performance options.
- SK hynix: Platinum P41 line. An efficient high-end Gen4 drive.
- Kingston: Budget NV lines can change components between batches, while the KC and Fury lines are more consistent.
What to avoid
- Unbranded NVMe drives that do not disclose their controller or flash type.
- Buying a QLC drive for heavy video or large-file write workloads.
- Assuming every M.2 slot supports NVMe.
Questions
Can I put an NVMe drive in any M.2 slot?
No. Some M.2 slots are SATA-only, so check your motherboard or laptop manual for NVMe or PCIe support.