Western Digital WD Red SA500 1TB SATA III 2.5"
The 1TB WD Red SA500 delivers 560 MB/s reads and 530 MB/s writes with TLC NAND, built for 24/7 NAS caching with a 600 TBW endurance rating and 5-year warranty. Its 2,000,000-hour MTBF and purpose-built design reduce latency for OLTP databases, multi-user environments, and 4K/8K video editing. Best for home or business NAS owners who need a reliable, high-endurance SATA SSD for heavy caching workloads.
Overzicht
The 30-Second Version
The WD Red SA500 is a tank built for NAS duty, not a speed demon. Pay for the endurance, skip it if you just need a boot drive.
Pros & Cons
Pluspunten
- 600 TBW endurance is roughly double most consumer SSDs 89th
- 5-year warranty and 2M hour MTBF scream reliability 87th
- Quiet operation, no seek noise in a NAS 79th
- Purpose-built for 24/7 NAS and RAID workloads
Minpunten
- SATA speeds cap at 560 MB/s, no NVMe here
- Price is steep for a 1TB SATA drive
- Needs a 2.5" to 3.5" adapter for most NAS bays
- Overkill if you're just storing photos at home
Wat eigenaren vinden
The Word on the Street
Hoe de mening van eigenaren in de loop van de tijd veranderde
ExclusiefOp basis van wanneer klanten hun reviews daadwerkelijk schreven - zo zie je of de eerste lof standhield.
Gebaseerd op 7 gedateerde klantreviews, gegroepeerd per kalenderkwartaal. Analyse per periode is in het Engels.
De feiten
Performance
Sequential speeds top out at 560 MB/s read and 530 MB/s write, which is basically the ceiling for SATA III. Nothing surprising there. The random IOPS numbers, 95K read and 85K write, land in the middle of the pack compared to other SSDs we track. But here's the thing: for NAS caching, that's plenty. What impressed us more is the endurance rating. 600 TBW puts this drive in the top tier for longevity, and the 2 million hour MTBF backs that up. It's not the fastest SSD we've tested, but it's one of the most reassuring.
Specifications
Full Specifications
Drive
| Capacity | 1000 |
| Form Factor | 2.5" |
| Interface | SATA III |
| Protocol | SATA |
| External | No |
Performance
| Sequential Read (MB/s) | 560 |
| Sequential Write (MB/s) | 530 |
| Random Read (IOPS) | 95000 |
| Random Write (IOPS) | 85000 |
Hardware
| NAND | TLC |
Reliability
| Endurance (TBW) | 600 |
| MTBF (hours) | 2000000 |
| Warranty (years) | 5 |
vs Competition
The SA500 isn't really competing with the Samsung 9100 PRO or Kingston FURY Renegade G5. Those are NVMe drives built for raw speed in gaming rigs and workstations. The SA500 is a SATA drive built for endurance in a NAS. If you want the fastest possible cache drive and your NAS has an M.2 slot, the Crucial T500 or Seagate FireCuda 530R will blow this thing away in benchmarks. But if you're slotting a 2.5" drive into a Synology or QNAP and want it to last for years of constant writes, the SA500 is the more sensible choice. The WD_BLACK WDS400T2XHE is closer in spirit, but it's aimed at gamers, not NAS boxes.
| Spec | Western Digital WD Red SA500 | Samsung 9100 PRO | Kingston FURY Renegade G5 SFYR2S/4T0 | Micron T710 CT4000T710SSD5 | Crucial T500 | Lexar NM1090 PRO LNM109P004T-RNNNU |
|---|---|---|---|---|---|---|
| Capacity | 1TB | 4TB | 4TB | 4TB | 2TB | 4TB |
| Form Factor | 2.5" | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 5.0 x4 | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 x4 | PCIe 5.0 |
| Seq Read | 560 MB/s | 14,800 MB/s | 14,800 MB/s | 14,500 MB/s | 7,400 MB/s | 14,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | SLC |
| Dram Cache | - | true | true | false | true | true |
| Endurance | 600 TBW | 2400 TBW | 4000 TBW | 2400 TBW | 1200 TBW | 2800 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Gebruikersoordeel | Affordability |
|---|---|---|---|---|---|---|---|---|
| Western Digital WD Red SA500 | 38.3 | 42.8 | 53.8 | 55.3 | 78.8 | 89.2 | 87.2 | 25.7 |
| Samsung 9100 PRO Compare | 99.3 | 99.8 | 99.7 | 92.6 | 0 | 86.1 | 99.6 | 5.1 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.5 | 99 | 91 | 92.6 | 0 | 93.6 | 87.2 | 6.3 |
| Micron T710 CT4000T710SSD5 Compare | 99.1 | 99.2 | 89.5 | 92.6 | 0 | 86.1 | 77.5 | 11.7 |
| Crucial T500 Compare | 94 | 96.9 | 99 | 78.5 | 78.8 | 83.1 | 95.4 | 19.7 |
| Lexar NM1090 PRO LNM109P004T-RNNNU Compare | 98.2 | 98.5 | 97.6 | 92.6 | 0 | 75.1 | 56.8 | 9.6 |
Prijs
Value & Pricing
Here's where it gets tricky. The price spread across vendors is wild, from $346 to $700 for the same 1TB drive. That's a $354 gap, and it means you absolutely need to shop around. Amazon and Newegg tend to have the better deals, while Best Buy's pricing sits at the higher end. At the low end of that range, this drive makes sense for a serious NAS user. At the high end, you're paying a premium for the WD Red branding and endurance rating. If you can snag it closer to $346, it's a solid buy. If you're looking at $700, you're getting fleeced.
Amazon 1 aanbieding Vanaf US$ 700
Price History
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Overview
The WD Red SA500 is a NAS drive that knows exactly what it is. It's not chasing benchmark glory or trying to impress gamers. It's built to sit in a NAS, run 24/7, and not die on you. The headline spec is 600 TBW endurance, which is roughly double what you'd get from a typical consumer SSD in this class. That's the whole pitch, and it's a good one. If you're running a Synology or QNAP with a cache slot, this drive will make your most-used files feel dramatically faster without the constant worry of wearing out a cheaper drive.
Common Questions
Q: Can I use this as a boot drive for Windows?
Yeah, it'll work fine as a boot drive. But honestly, that's a waste of the endurance rating. You'd be better off with a cheaper NVMe drive for your OS and saving this for NAS duty.
Q: Will it fit in a standard 3.5" drive bay?
Not without an adapter. It's a 2.5" drive, so you'll need a 2.5" to 3.5" mounting bracket. They're cheap and easy to find, but it's an extra step and a few more bucks.
Q: Is this drive fast enough for 4K video editing?
For direct editing, no. SATA caps out around 560 MB/s, which is fine for caching but not ideal for scrubbing 4K timelines. Use it as a NAS cache and keep your working files on an NVMe drive.
Who Should Skip This
If you're building a gaming PC or just want a fast boot drive, this isn't it. Go grab a Crucial T500 or Samsung 9100 PRO instead. You'll get way more speed for less money. The SA500 only makes sense if you have a NAS that runs 24/7 and you're actually hammering it with writes.
Verdict
Buy the WD Red SA500 if you have a NAS with a 2.5" cache slot and you actually use it hard. The endurance rating and warranty are the real selling points, and owners consistently report quiet, stable operation over long periods. It's not the fastest drive, and it's not cheap, but it's the right tool for a specific job. If you're just looking for a boot drive or a game library, save your money and get a cheaper consumer SSD.
