General

Brand	Samsung
Model	850 EVO
Capacity	500GB
Usage Class	Client

Interface

Host Interface	SATA
Total Interface Bandwidth	6 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	TLC V-NAND
Drive Writes Per Day	0.16
Total Bytes Written	150 TBW

Performance

Sequential Read	540 MB/s
Sequential Write	520 MB/s
Random Read IOPS	98000
Random Write IOPS	90000
Average Latency	50 μs

Reliability

Mean Time Between Failures	1.5 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	No

Part Number

MPN	MZ-7TE500

Engineer's Note

Compared with the MZ-7TE500, the MZ-75E500 850 EVO brings a clear generational upgrade with TLC V-NAND and a substantial endurance increase to 150 TBW, while sustaining near-SATA-limit performance of up to 540/520 MB/s and 98,000/90,000 IOPS. For 500GB client or workstation deployments, this MPN stands out by combining stronger write durability, better long-term consistency, and proven SATA efficiency in the same mainstream footprint.

Endurance & Reliability

With an endurance rating of 150 TBW, the MZ-75E500 can sustain about 150 terabytes of total host writes over its service life, which is more than sufficient for typical client and system-drive workloads. In practical terms, at around 30–40 GB of writes per day, this equals roughly 10 years of use, making it a dependable choice for OS boot, office productivity, and general business applications. In reliability terms, the specified UBER of 1.0E-15 means the drive is designed for a very low rate of unrecoverable read errors, supporting stable long-term data access in normal operation. This model does not include power-loss protection (PLP), so while it is well suited for standard desktop and light-duty business use, applications with frequent sudden power interruption or write-critical transactional data should rely on system-level power backup or a drive with onboard PLP.

Technical Specs & Insights

1. The SATA interface, paired with near-bus-limit sequential throughput, enables straightforward deployment in legacy enterprise servers and storage arrays while still accelerating bulk data ingest, backup, and OS image delivery.
2. High random-read performance supports fast access to small-block data, making this drive well suited for read-heavy virtualization, web serving, and metadata-driven application workloads.
3. The modest write endurance profile makes it a better fit for mixed-to-read-centric enterprise use cases such as boot drives, content repositories, and reference datasets rather than intensive logging or constant overwrite workloads.
4. TLC V-NAND provides a practical balance of capacity, power efficiency, and cost, helping organizations scale flash adoption across larger fleets without moving to premium endurance media.
5. Low typical latency improves application responsiveness and reduces storage wait time, which is especially valuable for transaction processing, VM startup, and user-facing business systems.

Capacity Sweet

Lower capacity reference: 250GB Higher capacity reference: 1TB In this series, the 500GB model sits at the practical sweet spot. Compared with the 250GB version, it gives much better headroom for OS images, application stacks, logs, and steady data growth, reducing the risk of early capacity pressure. Compared with the 1TB option, it preserves nearly the same everyday throughput and IOPS profile while keeping acquisition cost and fleet-level budget under tighter control. It is best suited for small to mid-size virtualization clusters, such as hosting boot and application volumes for roughly 30 to 50 light business workloads.

FAQ