SanDisk NAS 600 vs WD Red SA500
SanDisk NAS 600 and WD Red SA500 answer the same practical question: which SATA SSD should go into a NAS bay when hard drives are too slow? The products overlap in 2.5-inch form factor, five-year warranty positioning, 500GB-to-4TB capacity coverage and NAS use cases.
The useful answer is not simply "newer wins." If a Red SA500 listing is substantially cheaper at the same capacity, it can be the better buy. If NAS 600 reaches price parity, the newer SanDisk family becomes the cleaner recommendation.
Specification comparison
| Metric | SanDisk NAS 600 | WD Red SA500 |
|---|---|---|
| Category | SATA NAS SSD | SATA NAS SSD |
| Interface | SATA III 6Gb/s | SATA |
| Form factor | 2.5-inch 7mm | 2.5-inch 7mm and M.2 SATA |
| Capacities | 500GB, 1TB, 2TB, 4TB | 500GB, 1TB, 2TB, 4TB |
| Top listed endurance | 2,500 TBW on 4TB | 2,500 TBW on 4TB |
| Warranty | 5-year limited | 5-year limited |
| Best fit | New SATA NAS SSD purchases where availability and price are competitive | Existing SA500 deployments or discounted SATA NAS SSD buys |
Retail pricing is not yet widely available for exact SanDisk NAS 600 products.
Current exact WD Red SA500 offers are unavailable. Unrelated WD SSDs are not shown as substitutes.
Current value by capacity
| Capacity | NAS 600 | Red SA500 | Current value verdict |
|---|---|---|---|
| No overlapping current prices are available yet. Exact products will appear here when public offers are available. | |||
Buy NAS 600 if...
Choose NAS 600 when it is in stock at a close price to Red SA500, when you are building a new SATA SSD pool, or when you want SanDisk's current NAS SSD family rather than older WD Red SA500 availability. It is also the page to watch if retailers start carrying the new family in multi-capacity NAS bundles.
Buy WD Red SA500 if...
Choose Red SA500 when current pricing gives it a clear advantage at your capacity, especially for replacing one failed drive in an existing SA500 set. The older product can still be the rational buy if the NAS is SATA-limited and the endurance target is met.
Capacity and endurance details
| Capacity | Part number | Interface | Form factor | Sequential | Endurance | Warranty | Current price |
|---|---|---|---|---|---|---|---|
| 500GB | SDSNS2500GAB-000G0 | SATA | 2.5-inch 7mm | 560 MB/s read / 505 MB/s write | 350 TBW | 5-year limited | Price unavailable |
| 1TB | SDSNS2100TAB-000G0 | SATA | 2.5-inch 7mm | 560 MB/s read / 515 MB/s write | 600 TBW | 5-year limited | Price unavailable |
| 2TB | SDSNS2200TAB-000G0 | SATA | 2.5-inch 7mm | 560 MB/s read / 515 MB/s write | 1,300 TBW | 5-year limited | Price unavailable |
| 4TB | SDSNS2400TAB-000G0 | SATA | 2.5-inch 7mm | 560 MB/s read / 520 MB/s write | 2,500 TBW | 5-year limited | Price unavailable |
| Capacity | Part number | Interface | Form factor | Sequential | Endurance | Warranty | Current price |
|---|---|---|---|---|---|---|---|
| 500GB | WDS500G1R0A | SATA | 2.5-inch 7mm | 560 MB/s read / 530 MB/s write | 350 TBW | 5-year limited | Price unavailable |
| 1TB | WDS100T1R0A | SATA | 2.5-inch 7mm | 560 MB/s read / 530 MB/s write | 600 TBW | 5-year limited | Price unavailable |
| 2TB | WDS200T2R0A | SATA | 2.5-inch 7mm | 560 MB/s read / 520 MB/s write | 1,300 TBW | 5-year limited | Price unavailable |
| 4TB | WDS400T2R0A | SATA | 2.5-inch 7mm | 560 MB/s read / 520 MB/s write | 2,500 TBW | 5-year limited | Price unavailable |
Frequently asked questions
Is SanDisk NAS 600 the same as WD Red SA500?
No. They occupy the same SATA NAS SSD category and overlap heavily in capacity and endurance positioning, but DatacenterDisk does not treat them as identical unless official product documentation supports that claim.
Which is faster, NAS 600 or Red SA500?
Both are SATA SSDs, so the interface ceiling keeps peak sequential speeds close. The buying decision usually comes from current price, capacity, endurance, warranty and availability rather than raw sequential throughput.
Should I replace WD Red SA500 with NAS 600?
Not automatically. If SA500 is available at a meaningfully lower price per terabyte, it may remain the better buy. If NAS 600 is priced similarly and has current availability, the newer family becomes easier to choose.
Can I mix NAS 600 and SA500 in the same NAS?
Technically many NAS systems allow mixed SSD models, but matched drives simplify endurance, performance and support. Use matched capacities and firmware families for production arrays when possible.
Why does the comparison table say price unavailable?
That means current retail pricing is not available for that exact family. The static specs remain useful, but the page does not fabricate a price.
Sources checked: SanDisk NAS storage lineup, WD Red SA500 official product page.