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WD Red® SA500 NAS SATA SSD, 2TB, 2.5" WDS200T2R0A
- Storage optimized for caching in NAS systems to rapidly access your most frequently used files.
- Superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment.
- Purpose-built for NAS with proven Western Digital® 3D NAND to deliver maximum SATA performance to both home and business users.
- Reduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more.
- Available in 2.5” and M.2 form factors to fit the slots in modern NAS systems.
- Capacities from 500GB up to 4TB* (2.5” only) gives you the flexibility to customize your NAS to meet your most demanding storage needs.
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Overview
Specs
Reviews (2)
Overview
The Western Digital Red SA500 is a 2TB internal solid state drive designed for consumer NAS systems. Purpose-built for NAS caching, it helps rapidly access frequently used files while supporting home and business users.
Key Features
- Optimized for caching in NAS systems
- Western Digital 3D NAND
- Up to 2500TBW endurance
- 2.5-inch form factor
- Support for OLTP databases, multi-user environments, photo rendering, and 4K and 8K video editing
Performance
The SATA III 6 Gb/s interface delivers sequential read speeds of up to 560 MBps and sequential write speeds of up to 520 MBps. 4KB random performance reaches up to 87,000 IOPS read and 83,000 IOPS write.
Design
This internal SSD uses a 2.5-inch form factor and measures 7.00mm in height, 100.2mm in width, and 69.85mm in depth. Weight is 34.6g.
Connectivity & Compatibility
The drive uses the SATA protocol with a SATA III 6 Gb/s interface. Its 2.5-inch form factor is designed to fit slots in modern NAS systems.
Reliability & Durability
Endurance is rated at up to 2500TBW. The operating temperature range is 0°C to +70°C, and the storage temperature range is -55°C to +85°C. Maximum shock resistance is 1,500 G @ 0.5 msec half sine, with maximum vibration resistance of 5.0 gRMS, 10-2000 Hz.
Specifications
- Brand: Western Digital
- Series: Red SA500
- Model: WDS200T2R0A
- Part Number: WDS200T2R0A
- Device Type: Internal Solid State Drive (SSD)
- Capacity: 2TB
- Form Factor: 2.5"
- Interface: SATA III 6 Gb/s
- Protocol: SATA
- Max Sequential Read: Up to 560 MBps
- Max Sequential Write: Up to 520 MBps
- 4KB Random Read: Up to 87,000 IOPS
- 4KB Random Write: Up to 83,000 IOPS
- Terabytes Written (TBW): 2500TB
- Operating Temperature: 0°C ~ +70°C
- Storage Temperature: -55°C ~ +85°C
- Height: 7.00mm
- Width: 100.2mm
- Depth: 69.85mm
- Weight: 34.6g
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.ca's Standard Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-866-726-3475
- Support Website
- View other products from SanDisk
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The WD Red SA500 WDS200T2R0A is a 2TB, 2.5-inch SATA III SSD designed for NAS caching, making it suitable for home and business NAS users who want faster access to frequently used files in 24/7 environments.
Recommended For
- NAS owners adding SSD cache for frequently accessed files who want quicker access and more responsive day-to-day use in an always-on system.
- Home or small-business NAS users running multi-user workloads, databases, or virtual machines who want lower storage latency and a drive designed for continuous NAS operation.
- Photo and video creators working from a compatible NAS who want SSD access for frequently used large files and project workloads.
- Desktop users replacing a 2.5-inch SATA drive who want a conventional internal SSD with NAS-oriented endurance; testing found it also works as a standard PC replacement drive.
Real-World Use Scenarios
- In a NAS with hard drives, use the SA500 as a cache for frequently opened files; repeat access to cached data can feel more responsive, while files not in the cache may still load at hard-drive speeds.
- For a NAS used by several people at once, place a shared database or frequently accessed work files on the SA500; the SSD can reduce storage-related waiting, though the NAS processor and network can still limit responsiveness.
- Use the SA500 as a NAS SSD volume for services or frequently used data, rather than only as a cache; SSD-based storage can make those files quicker to access than when they reside on hard drives.
- Keep active photo or video project files on a NAS equipped with the SA500 to make storage access more responsive during shared workflows; actual editing and transfer performance still depends on the NAS and network connection.
- In a NAS that stays on around the clock and handles regular file reads and writes, use the SA500 as an SSD cache or storage volume; it is designed for NAS workloads, but the best fit depends on how much data the workload writes.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | NAS caching and frequently accessed files, as well as multi-user database workflows, photo rendering, and 4K/8K video editing |
| Capacity | 2 TB |
| Interface And Form Factor | Internal 2.5-inch SSD, 7 mm thick, with a SATA III 6 Gb/s interface |
| Read Write Performance | Sequential speeds up to 560 MB/s read and 520 MB/s write; random 4K performance up to 87,000 IOPS read and 83,000 IOPS write |
| Endurance | Rated for up to 2,500 TBW |
| Operating And Environmental Limits | Operating temperature: 0°C to 70°C; storage temperature: −55°C to 85°C; shock resistance: 1,500 G at 0.5 ms; vibration resistance: 5.0 gRMS at 10–2,000 Hz |
| Physical Specifications | 100.2 × 69.85 × 7 mm; 34.6 g |
| Model Identifiers | Western Digital Red SA500; model and part number WDS200T2R0A |
Reference Q&A
Q: WD Red SA500 2TB or Samsung 870 EVO 2TB for a NAS?
A: Choose the WD Red SA500 when you want a SATA SSD positioned for NAS caching and workloads with frequent writes. The SA500’s official product brief rates this 2TB model at 1,300 TBW; Samsung rates the 2TB 870 EVO at 1,200 TBW. Both are SATA SSDs, so the choice is less about a major interface-speed difference and more about NAS-focused positioning, endurance rating, price, and NAS compatibility.
Q: Should I get the WD Red SA500 or the WD Red SN700 for NAS caching?
A: Choose the SA500 if your NAS has a 2.5-inch SATA bay or supports SATA M.2 and SATA-level performance is sufficient. Choose the SN700 if your NAS supports M.2 NVMe and you want the higher throughput and IOPS available over PCIe. Check the NAS manual first: SATA and NVMe M.2 drives are not interchangeable just because they use an M.2 slot.
Q: Is the 2TB WD Red SA500 worth choosing over the 1TB version?
A: Choose the 2TB model if you need the extra capacity or expect heavier write workloads: its official endurance rating is 1,300 TBW, compared with 600 TBW for the 1TB SA500. The 1TB model may make more sense when its capacity is enough and it is meaningfully less expensive. Compare the exact model numbers, since SA500 specifications vary by capacity and model revision.
Q: Is this SSD suitable for a NAS that runs 24/7?
A: It is designed for NAS use and continuous workloads, including caching frequently accessed files. The 2TB model is rated for up to 2,500TB written. Check that your NAS supports a 2.5-inch SATA SSD and the intended cache or storage configuration.
Q: Will this 2.5-inch SATA SSD work in my NAS or computer?
A: It can work in a device with a compatible 2.5-inch SATA bay and SATA connection. Check the device’s specifications and compatibility guidance before buying; this drive is SATA, not an M.2 or NVMe SSD.
Q: What read and write speeds can I expect?
A: The listed maximum sequential speeds are up to 560 MB/s read and 520 MB/s write. Actual speeds depend on the host system, connection, and workload.
Q: Is this a good choice for workloads with frequent writes?
A: The 2TB model is rated for up to 2,500TB written and is intended for NAS workloads. That endurance rating can help when writes are frequent, but it does not guarantee a particular service life; actual wear depends on usage.
Q: Is the WD Red SA500 compatible with my Synology NAS?
A: It is a 2.5-inch SATA SSD, so the NAS must support that drive format and interface. Check your specific NAS model’s compatibility information before buying; one Synology DS124 owner reported that an SA500 worked, but that does not establish compatibility with every model.
Q: Should I choose the SA500 instead of a hard drive for my NAS?
A: Consider it if you want SSD storage for NAS caching or faster access to frequently used files. Its 2TB capacity and SATA interface may be a less suitable fit if your main priority is inexpensive bulk storage; one Reddit discussion specifically raised price and capacity as reasons to consider hard drives.
Q: Can the WD Red SA500 be used in a laptop instead of a regular SATA SSD?
A: It can fit a laptop that accepts a 2.5-inch SATA drive, but check the laptop’s physical clearance and interface first. The SA500 is NAS-oriented; its listed advantages include up to 2500 TBW for this 2TB model, while the product information does not establish a laptop-specific performance or battery-life advantage.
Q: Could the WD Red SA500 overheat in a NAS?
A: A Reddit report describes overheating with SA500 drives in one NAS setup, while other owners in the same discussion reported normal temperatures. Treat temperature as system-dependent: monitor drive and NAS temperatures during sustained transfers and check airflow if readings rise.