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| Brand | Samsung |
|---|---|
| Model | PM1653 |
| Capacity | 1.92 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | SAS 24.0 Gbps |
|---|---|
| Total Interface Bandwidth | 24 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V6 (128-layer) TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 3504 TBW |
| Sequential Read | 4300 MB/s |
|---|---|
| Sequential Write | 2400 MB/s |
| Random Read IOPS | 800000 |
| Random Write IOPS | 120000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILT1T9HBJR-00A07 |
|---|
The Samsung PM1653 1.92TB (MZILG1T9HCJR-00B07) is a strong upgrade from MZILT1T9HBJR-00A07, moving to a 24.0 Gbps SAS interface and delivering up to 4300/2400 MB/s with 800,000/120,000 IOPS for materially higher bandwidth and OLTP transaction density. Built on Samsung V6 128-layer TLC NAND, it pairs 3504 TBW endurance at 1 DWPD with a higher-capacity, lower-latency enterprise SAS design that is especially well suited for mixed-read virtualization clusters and business-critical database tiers.
With an endurance rating of 3504 TBW and 1 DWPD, the MZILG1T9HCJR-00B07 is designed to handle writing its full capacity once per day throughout its rated service life, which is more than sufficient for typical enterprise OS, boot, logging, and mixed application workloads. In practical terms, under normal system-disk or read-heavy server use, this level of endurance provides long-term operating confidence and can support many years of stable deployment without endurance concerns. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving system recovery integrity. Its UBER of 1.0E-17 means an extremely low probability of unrecoverable bit errors during reads, and together with the 2.5 million-hour MTBF, it reflects a storage solution built for dependable data center operation.
1. The SAS 24.0 Gbps interface provides dual-port, mission-critical connectivity for enterprise arrays, helping maintain high availability and predictable storage performance under failover conditions.
2. Sequential read performance of 4300 MB/s accelerates large-block workloads such as backup restores, data warehousing scans, and media streaming in dense server environments.
3. Random read capability of 800,000 K IOPS enables the drive to sustain extremely heavy small-block access patterns, making it well suited for virtualization clusters, OLTP databases, and metadata-intensive applications.
4. With a 1 DWPD endurance rating, the SSD is optimized for mixed-use enterprise deployments that need dependable write life across years of daily production activity without overpaying for unnecessary write headroom.
5. Samsung V6 (128-layer) TLC NAND, paired with a typical latency of 95 µs, delivers a strong balance of flash density, cost efficiency, and consistently fast response times for latency-sensitive business applications.
Lower capacity: 960 GB Higher capacity: 3.84 TB Within this series, the 960 GB model is the next step down and 3.84 TB is the next step up. The 1.92 TB version is the practical sweet spot: it offers noticeably more space flexibility than 960 GB for OS images, logs, cache growth, and routine enterprise overprovisioning, helping avoid early capacity pressure. Compared with 3.84 TB, it typically keeps essentially the same enterprise-class sequential and random performance while giving a better balance of cost, utilization, and efficiency. It is especially well suited for mid-size virtualization or database infrastructure, such as shared system and utility storage for roughly 40 mixed-workload virtual machines.
Q: Is MZILG1T9HCJR-00B07 suitable for a write-heavy database server?
A: It can support moderate write-intensive database workloads, but with 1 DWPD and TLC NAND, it is better suited for mixed-use enterprise servers than extremely write-heavy, high-transaction database environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1 DWPD, meaning it can handle one full drive write per day across its warranty period, supported by its 3504 TBW endurance specification.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps preserve in-flight data and metadata during unexpected outages, reducing corruption risk and improving enterprise data integrity.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for this SSD in performance-sensitive enterprise environments, as it provides strong read/write speed, redundancy, and lower rebuild risk compared with parity-based RAID levels.