Crucial BX500 vs Samsung 870 EVO: Best 1TB SATA SSD for Game Storage

If you are filling a second SATA bay with a 1TB drive purely to hold installed games in 2026, the Samsung 870 EVO is the safer long-term pick because of its DRAM cache, 600 TBW endurance rating, and consistent sustained writes, while the Crucial BX500 1TB is the right call only when price-per-gigabyte is the deciding factor and the drive will mostly read, not write. SATA SSDs cap around 550 MB/s no matter what is on the controller, so for loading already-installed games into Cyberpunk 2077, Call of Duty: Warzone, or Helldivers 2 the practical difference between these two drives is small — but for moving 80-200 GB game installs onto the drive, the gap is real.

Why SATA is still the value sweet spot for game storage

NVMe Gen4 and Gen5 dominate the headlines, but in 2026 a 1TB SATA SSD still sits at roughly half the price-per-gigabyte of a comparable NVMe drive while delivering the same in-game experience for everything except a handful of DirectStorage titles. SATA tops out near 550 MB/s sequential read, which sounds slow next to a 7,000 MB/s Gen4 NVMe, but the bottleneck for actually launching a game is almost never raw bandwidth — it is asset decompression, shader compilation, and engine init code that runs single-threaded on the CPU. Tom's Hardware's best-SSDs roundup consistently lists value SATA picks alongside the flashy NVMe drives precisely because the load-time delta in real games is in the 1-3 second range, not the 10x range the spec sheets imply.

For a console secondary drive (PS5 expansion is M.2 only, but Xbox Series X|S users running a USB 3.2 enclosure get the same SATA ceiling), or as a second drive in a PC where the boot drive is already an NVMe, SATA gives you the most installed games per dollar. The decision is rarely "SATA vs NVMe" — it is "which SATA SSD," and that is where the BX500 and 870 EVO have anchored the market for years.

Key takeaways

• The Samsung 870 EVO is the safer 1TB SATA pick — DRAM cache, 600 TBW endurance, consistent sustained writes near 530 MB/s.
• The Crucial BX500 1TB wins on price-per-GB but is DRAM-less and drops to ~80-100 MB/s after its SLC cache fills.
• For a pure read-heavy game-library drive, both deliver effectively identical in-game load times — the bottleneck is the SATA bus itself.
• For frequent installs/updates (live-service games, modding, content creation), the 870 EVO is worth the premium.
• Endurance gap: BX500 1TB is rated 360 TBW; 870 EVO 1TB is rated 600 TBW per the manufacturer spec pages — a 67% difference.
• The WD Blue 3D NAND and SanDisk Ultra 3D NAND sit between these two on price and feature set.

Where each drive fits: BX500 vs 870 EVO at-a-glance

The BX500 is Crucial's entry-level consumer SATA line. It uses 3D TLC NAND with no onboard DRAM cache (it relies on host-managed caching via the system's RAM through the SATA protocol's HMB-equivalent tricks, which on SATA is essentially "the controller fakes it with SLC zones on the NAND itself"). The 870 EVO is Samsung's flagship SATA SSD — it pairs Samsung's own V-NAND with an in-house controller and a dedicated LPDDR4 DRAM buffer (512 MB on the 1TB model per Samsung's 870 EVO product page).

In practice that means:

• The BX500 feels equally fast as the 870 EVO for the first ~40 GB of any single write operation (the SLC cache zone).
• After the cache fills, the BX500 drops hard — community measurements have shown sustained writes falling to the 80-100 MB/s range on the 1TB model, slower than some high-end USB flash drives.
• The 870 EVO holds ~530 MB/s sustained writes essentially forever, because its DRAM buffer maintains the FTL (flash translation layer) mapping table in fast memory instead of having to fetch it from the NAND on every write.

For reading already-installed game data, both drives saturate the SATA bus at ~550 MB/s and there is no meaningful difference. The split only matters when you are writing — game installs, patches, screen captures, replay files, mod downloads.

Spec table: BX500 vs 870 EVO vs WD Blue vs SanDisk Ultra

The BX500 spec sheet on Crucial's BX500 product page lists the 540/500 MB/s figures and the 360 TBW endurance rating; Samsung's 870 EVO page confirms the 600 TBW number and the 5-year limited warranty. Both warranties are time-or-TBW, whichever comes first.

Sequential vs sustained writes: what game installs actually need

The specs above are best-case peak numbers — what the drive can do for the first few seconds of a transfer, while the SLC cache is empty. For game installs that matters more than you might think, because most game installs are not a single 80 GB blob. A modern AAA install is thousands of small files (shaders, textures, audio packs, language files) plus a handful of large archive containers. Steam, Epic, and Battle.net all decompress on the fly during install, which means the disk sees a write pattern that looks more like a database commit storm than a single sequential dump.

For that workload, the DRAM-cached 870 EVO is materially better. The FTL table (which translates logical block addresses to physical NAND pages) lives in DRAM and gets updated thousands of times per second during a chaotic write. On a DRAM-less drive like the BX500, every FTL update has to round-trip through the NAND itself, eating into the same bandwidth pool as the actual game data.

In the worst case — installing a 100 GB game while the drive is also being read for OS paging or background updates — the BX500 can effectively stall, while the 870 EVO continues to deliver near-spec performance.

Endurance (TBW) and what it means for a library drive

TBW (Terabytes Written) is the manufacturer's warrantied write endurance. The BX500 1TB is rated for 360 TBW; the 870 EVO 1TB is rated for 600 TBW. That sounds like a huge gap, and on paper it is — but for a pure game-library drive that mostly reads, you are very unlikely to hit either number inside the warranty period.

Math check: if you install/uninstall an average of 100 GB per week (a heavy live-service rotation), that is roughly 5 TB per year written to the drive. At that rate the BX500 lasts 72 years on paper and the 870 EVO lasts 120 years before exhausting its TBW budget. The endurance number matters more if the drive is doing double duty as scratch space for video editing, ML datasets, or constant Steam downloads as part of a multi-PC household — that workload can plausibly hit 30-50 TB/year, at which point the 870 EVO's larger budget starts to matter.

The other thing TBW correlates with is wear-leveling headroom. A drive with a higher TBW rating typically has more aggressive over-provisioning and better controller firmware, both of which extend real-world life beyond the rated number. The 870 EVO has earned a reputation in community testing for outlasting its rating by 2-5x; the BX500's reputation is much closer to the rated spec.

Real-world game-load benchmarks (sourced)

This is the section that should drive your decision if you only care about how the game feels. The honest answer: for already-installed games, the load-time difference between the BX500 and the 870 EVO is in the noise — usually under 0.5 seconds, well inside run-to-run variance.

The more interesting comparison is SATA SSD vs NVMe vs HDD, since that frames whether the SATA tier is even the right choice. Community-collected numbers (cross-referenced against Tom's Hardware's best-SSDs roundup) consistently show:

The jump from HDD to SATA SSD is dramatic — 4-5x faster across the board. The jump from SATA to NVMe is a 20-30% improvement, which is real but easy to miss in a blind A/B test. For a library drive, the gap between the BX500 and 870 EVO in these titles is typically under one second.

Where it diverges: shader compilation passes (common in DX12 titles on first launch after a driver update) put a heavy small-write load on the drive, and that is exactly where the BX500's lack of DRAM hurts. First-launch shader builds can take 30-50% longer on a DRAM-less SATA drive vs a DRAM-equipped one. After the shader cache is built, the difference disappears.

Loading times: SATA SSD vs NVMe vs HDD

The table above is a good summary, but the underlying physics is worth knowing. A 7200 RPM HDD has roughly 8-15 ms of seek latency per random read, and a game load is thousands of random reads. A SATA SSD has roughly 0.1 ms of access latency — two orders of magnitude faster — which is where the entire "upgrade to an SSD changed my life" experience comes from.

Going from SATA to NVMe drops access latency by another ~3-5x (NVMe drives also have deeper command queues — 64K vs SATA's 32 — so they can keep more reads in flight simultaneously), but the games themselves were generally not engineered to exploit that. Until DirectStorage adoption goes mainstream (Forspoken, Ratchet & Clank: Rift Apart, Horizon Forbidden West, and a handful of others currently support it), the practical loading-time benefit of NVMe over SATA is small.

For a budget build or a secondary library drive in 2026, SATA at ~$58 for 1TB (BX500) or ~$85 for 1TB (870 EVO) is a much better dollar-for-loading-second value than NVMe at $90-130 for 1TB.

Price-per-GB and where each drive lands today

Street prices vary week to week, but as of mid-2026 the 1TB SATA SSD market lands roughly here (US Amazon, price may vary):

The BX500 is roughly 32% cheaper per gigabyte than the 870 EVO. For someone filling a 2-3 TB game library, that gap adds up to $50-100 saved across multiple drives. The question is whether that saving is worth the slower sustained writes, the smaller endurance budget, and the shorter warranty.

The WD Blue 3D NAND and SanDisk Ultra 3D NAND (now both under the Western Digital umbrella since the SanDisk acquisition) sit in the middle and are often the smart compromise — DRAM cache, 400 TBW, and a price closer to the BX500 than the 870 EVO.

When to pick the cheap pick (BX500) vs the premium pick (870 EVO)

Pick the Crucial BX500 1TB when:

• The drive is dedicated to installed games you play and rarely reinstall.
• The total budget for storage is tight and you would rather have 2x BX500 than 1x 870 EVO.
• You already have a fast NVMe boot drive and the SATA drive is purely overflow.
• You are not running games that ship with frequent multi-gigabyte patches.

Pick the Samsung 870 EVO 1TB when:

• The drive will see frequent writes (live-service patches, mod swaps, content downloads).
• You want the 5-year warranty and the longer real-world lifespan.
• The drive doubles as scratch space for video, captures, or backups.
• You care about consistency — the 870 EVO does not have a sustained-write cliff.

If you can find a WD Blue 3D NAND or SanDisk Ultra 3D at a discount close to BX500 pricing, that is the actual sweet spot — DRAM-cached, decent endurance, and Samsung-tier behavior at Crucial-tier prices.

Common pitfalls: DRAM-less caching, sustained-write cliff, host-managed SLC cache

A few things people miss when comparing budget SATA SSDs:

DRAM-less drives are not all equal. Some DRAM-less designs (mostly NVMe) use HMB (Host Memory Buffer) to borrow a slice of system RAM for the FTL. SATA does not have HMB. The BX500 instead carves out a portion of NAND as a fixed SLC zone that acts as both write cache and as a fast-access region for the FTL table. This works fine for bursty consumer workloads but collapses under sustained pressure.

The sustained-write cliff is real and measurable. Once the SLC cache fills (somewhere around 40 GB on a 1TB BX500 with a fresh drive), write speed can drop from 500 MB/s to under 100 MB/s. If you have ever installed a 70 GB game on a budget SATA drive and noticed the last 20 GB take 5x longer than the first 50 GB, that is the SLC cache emptying.

Free space matters a lot more on DRAM-less drives. The SLC cache zone on a BX500 is dynamic — it shrinks as the drive fills up because the cache has to share space with user data. A BX500 that is 90% full has a much smaller SLC cache and hits the write cliff almost immediately. The 870 EVO is also affected by this, but to a much lesser extent because the DRAM cache absorbs most FTL traffic regardless of free space.

TRIM and idle garbage collection are essential. Both drives rely on TRIM (which Windows 10/11 and modern Linux distros run automatically) to maintain peak performance. If you are using the drive as an external USB SATA drive in an enclosure that does not pass TRIM through, performance will degrade dramatically over time on the BX500 specifically.

Bottom line: the matrix-style recommendation

The headline conclusion: if you can stretch to the Samsung 870 EVO, do — the DRAM cache, the 600 TBW endurance, and the consistent sustained-write performance make it the better 1TB SATA SSD for almost every gamer in 2026. The Crucial BX500 is still a valid pick when budget is the dominant constraint, but go in knowing the trade-offs: shorter warranty, lower endurance, and a write cliff that can hurt during big patch days.

Related guides

• Best Budget Gaming SSDs in 2026 — broader value SSD comparison across SATA and NVMe.
• NVMe vs SATA: Does it Matter for Games? — deep dive on the practical loading-time gap.
• Best PC Gaming Hardware Upgrades Under $100 — where a 1TB SATA SSD fits in a low-budget upgrade path.

Citations and sources

• Tom's Hardware best SSDs roundup — referenced for the SATA-vs-NVMe loading-time gap framing and value-tier SSD picks.
• Crucial BX500 1TB product/spec page — referenced for the 540/500 MB/s sequential numbers, 360 TBW endurance rating, and 3-year warranty.
• Samsung 870 EVO product page — referenced for the 560/530 MB/s sequential numbers, 600 TBW endurance rating, DRAM cache size, and 5-year warranty.

This piece is editorial synthesis based on publicly available information. No independent first-party benchmarking is reported.