Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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Western Digital
Western Digital Ultrastar DC SN200 HUSMR7676BDP3Y1 0TS1357 7.68TB enterprise SSD
A 7.68 TB enterprise NVMe SSD with 3350 MiB/s reads, 2100 MiB/s writes and 1 DWPD endurance in a 2.5" U.2 form factor
- Form Factor2.5" U.2
- Capacity7.68TB
- InterfacePCI-Express 3.0 x4
- Sustained Sequential Read3350 MiB/s
- Sustained Sequential Write2100 MiB/s
- Endurance1 DWPD
- 68TB capacity supports large enterprise datasets
- 3350 MiB/s sequential read accelerates data-intensive workloads
- 2100 MiB/s sequential write sustains high-throughput operations
- 1 DWPD endurance rating ensures consistent daily write performance
- 2,000,000 hours MTBF delivers long-term reliability for data centres
7.68TB enterprise NVMe for data-centre workloads
The Western Digital Ultrastar DC SN200 provides 7.68TB of MLC storage in a 2.5 U.2 form factor. It connects through a PCI-Express 3.0 x4 interface and is rated for 1 DWPD endurance. The drive targets enterprise servers, storage arrays, cloud deployments and big-data analytics where consistent capacity and reliability are required. It is not suited for desktop builds lacking U.2 backplane support.
Sustained 3350 MiB/s read
Sequential throughput is specified at 3350 MiB/s for reads and 2100 MiB/s for writes during continuous operation rather than brief bursts. Dual-port architecture and flash-aware RAID maintain data-path integrity when the drive serves heavy, concurrent I/O streams. End-to-end data protection and advanced ECC correct errors on the fly without throttling performance. The 1 DWPD rating reflects steady-state write durability over the warranty period.
Dual-port U.2 with hot-swap and power-loss
The 2.5 U.2 connector enables dual-port redundancy and hot-swap replacement inside compatible server chassis. Power-loss protection safeguards in-flight writes during unexpected outages. Secure Erase and end-to-end data-path protection simplify decommissioning and compliance. MTBF is rated at 2,000,000 hours for continuous operation. Systems without U.2 NVMe backplanes cannot use this drive.
Highlights
- 68TB capacity supports large enterprise datasets
- 3350 MiB/s sequential read accelerates data-intensive workloads
- 2100 MiB/s sequential write sustains high-throughput operations
- 1 DWPD endurance rating ensures consistent daily write performance
- 2,000,000 hours MTBF delivers long-term reliability for data centres
Specifications
| Brand | Western Digital |
|---|---|
| Series | Ultrastar DC SN200 |
| Model | HUSMR7676BDP3Y1 |
| Part Number | 0TS1357 |
| Form Factor | 2.5" U.2 |
| Capacity | 7.68TB |
| Interface | PCI-Express 3.0 x4 |
| Sustained Sequential Read | 3350 MiB/s |
| Sustained Sequential Write | 2100 MiB/s |
| Endurance | 1 DWPD |
| MTBF | 2,000,000 hours |
| Features | Dual Port, End-to-End Data Path Protection, Advanced ECC, Secure Erase, Power Loss Protection, Flash-Aware RAID, Error Correcting Code, Hot-Swap |
Questions about this item
How much heat and power does the 7.68TB Ultrastar DC SN200 generate when running continuously in a server?
The drive is rated for 1 DWPD endurance with a 2,000,000 hour MTBF, built with MLC flash and power-loss protection for sustained enterprise workloads.
What connector and slot does the U.2 2.5" form factor need on my motherboard or backplane?
It requires a U.2 NVMe port wired to PCIe 3.0 x4; the dual-port design also supports redundant paths in compatible backplanes.
Will this PCIe 3.0 x4 NVMe drive work in an older server that only has PCIe 2.0 slots?
The drive uses PCIe 3.0 x4 for up to 3350 MiB/s read and 2100 MiB/s write; it will negotiate down to PCIe 2.0 speeds if the slot only supports that generation.
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