Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | 990 EVO PLUS |
| Capacity | 1 TB |
| Usage Class | Client / Consumer |
| Host Interface | PCIe 4.0 x4 / 5.0 x2 |
|---|---|
| Total Interface Bandwidth | 16 Gb/s |
| Form Factor | M.2 2280 |
|---|
| NAND Flash | Samsung V-NAND 3-bit TLC |
|---|---|
| Drive Writes Per Day | 0.33 |
| Total Bytes Written | 600 TBW |
| Sequential Read | 7150 MB/s |
|---|---|
| Sequential Write | 6300 MB/s |
| Random Read IOPS | 850000 |
| Random Write IOPS | 1350000 |
| Average Latency | 40 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-WL615TC |
|---|
Compared with the previous-generation MZ-WL615TC, the Samsung 990 EVO PLUS 1TB (MZ-V9S1T0) steps up to a PCIe 4.0 x4 / 5.0 x2 interface and delivers up to 7,150/6,300 MB/s sequential read/write with 850K/1.35M random read/write IOPS for a clear generational gain in host bandwidth and responsiveness. Built on Samsung V-NAND 3-bit TLC with 600 TBW endurance at 0.33 DWPD, it is a strong recommendation for high-performance client and workstation boot drives that need faster asset loading, scratch-disk acceleration, and sustained daily write capability without moving to a higher-cost prosumer SSD tier.
With an endurance rating of 600 TBW, the MZ-V9S1T0 can sustain about 164 GB of host writes per day over 10 years, which is well above the write volume of a typical OS, office, and general business workload. In practical purchasing terms, this means it is a comfortable choice for use as a primary system drive or mainstream client workstation SSD, where daily write activity is usually far below its rated limit. For reliability, the specified UBER of 1.0E-15 indicates a very low uncorrectable bit error rate, helping ensure strong data integrity during normal operation and aligning with expectations for quality SSD storage. This model does not include power-loss protection (PLP), so while it is well suited for client and read-heavy environments, it is less ideal for write-critical applications where unexpected power interruption could affect in-flight data.
1. The PCIe 4.0 x4 / 5.0 x2 interface, paired with **7150 MB/s** sequential read speed, gives enterprise servers fast asset streaming and shorter startup times for analytics, virtualization, and AI data pipelines.
2. With **850,000 K IOPS** random read performance, this SSD helps database and VDI environments serve high volumes of small-block requests with smoother user responsiveness under heavy concurrency.
3. A **0.33 DWPD** endurance rating makes it a strong fit for read-centric enterprise workloads where predictable service life and lower storage cost matter more than intensive daily overwrites.
4. Built on **Samsung V-NAND 3-bit TLC**, the drive balances capacity, power efficiency, and dependable performance, making it well suited for scale-out infrastructure and mainstream data center deployment.
5. Its **40 µs** typical latency supports faster transaction handling and more consistent QoS, which is valuable for latency-sensitive applications such as online services, caching tiers, and real-time analytics.
Lower capacity reference: 500 GB Higher capacity reference: 2 TB At 1 TB, the MZ-V9S1T0 sits at the sweet spot of the family. Compared with the 500 GB option, it offers much better headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure. Compared with the 2 TB model, it keeps acquisition cost and power budget more controlled while delivering essentially the same class of sequential throughput and random IOPS. This makes 1 TB ideal for mid-scale virtualization, such as hosting boot and utility volumes for around 40 to 60 general-purpose virtual machines.
Q: Is MZ-V9S1T0 suitable for a write-heavy database server?
A: Not ideally. With 0.33 DWPD, 600 TBW, TLC NAND, and no PLP, MZ-V9S1T0 is better suited for client, boot, or mixed-read workloads than sustained write-heavy database server use.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Its endurance rating is 0.33 DWPD, meaning about one-third of a full 1 TB drive write per day over the warranty period, aligning with the specified 600 TBW limit.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. That matters because PLP helps protect in-flight writes and metadata during sudden power failure, reducing corruption risk in business-critical environments.
Q: What RAID level is recommended for this SSD?
A: For most deployments, RAID 1 or RAID 10 is recommended to improve redundancy and performance. RAID 0 is not advised for important data, especially without onboard PLP.