Samsung MZILG30THBLA 30.72 TB PM1653 SAS-4 24Gb/s 2.5 inch 15mm Enterprise/Read-Intensive Solid State Drive

General

Brand	Samsung
Model	PM1653
Capacity	30.72 TB
Usage Class	Enterprise/Read-Intensive

Interface

Host Interface	SAS-4 24Gb/s
Total Interface Bandwidth	24 Gb/s

Physical Dimension

Form Factor	2.5 inch 15mm

Flash & Endurance

NAND Flash	Samsung V6 (128L) TLC
Drive Writes Per Day	1
Total Bytes Written	56064 TBW

Performance

Sequential Read	4300 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	800000
Random Write IOPS	135000
Average Latency	110 μs

Reliability

Mean Time Between Failures	2.5 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	MZILT30THALA-00007

Engineer's Note

Compared with the previous-generation MZILT30THALA-00007, the Samsung PM1653 (MZILG30THBLA) upgrades from SAS-3 12Gb/s to SAS-4 24Gb/s, effectively doubling host interface bandwidth and pushing performance to 4300/3800 MB/s with up to 800,000/135,000 IOPS for significantly faster OLTP and scale-out storage response. At 30.72 TB, its Samsung V6 128-layer TLC paired with 1 DWPD and 56,064 TBW makes this model a stronger high-density tier for mission-critical enterprise arrays that need more throughput per slot without sacrificing endurance predictability.

Endurance & Reliability

With an endurance rating of 56,064 TBW and 1 DWPD, this SSD is designed to support writing its full capacity once every day over an enterprise-duty lifecycle, which represents a very high write budget for a 30.72TB-class drive. In typical real-world deployments such as boot, system, read-heavy, or mixed application workloads, actual daily writes are usually well below this level, giving procurement teams strong confidence in long-term service stability. Enterprise reliability is further strengthened by power-loss protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is interrupted unexpectedly. Its ultra-low UBER of 1.0E-17, together with a 2.5 million hour MTBF, reflects data integrity and dependability levels expected in enterprise storage environments where consistency and reduced risk of uncorrectable errors are critical.

Technical Specs & Insights

1. The SAS-4 24Gb/s interface provides enterprise-proven dual-port connectivity and high-bandwidth headroom, making this SSD ideal for mission-critical servers that demand both performance and high availability.
2. Its 4300 MB/s sequential read speed accelerates large-block data movement, reducing backup, analytics, and database scan times in data-center workloads.
3. With up to 800,000 random read IOPS and a typical latency of just 110 µs, the drive delivers fast, predictable response for virtualization, OLTP, and other latency-sensitive applications.
4. The 1 DWPD endurance rating is well suited for mainstream enterprise mixed-read/write deployments, giving operators confidence in consistent daily use across the warranty period.
5. Built on Samsung V6 128-layer TLC NAND, the SSD balances density, cost efficiency, and reliability, enabling scalable enterprise storage without sacrificing dependable performance.

Capacity Sweet

Lower capacity reference: 15.36 TB Higher capacity reference: 61.44 TB At 30.72 TB, this SSD sits in the sweet spot of the series. Compared with the 15.36 TB model, it gives much more headroom for data growth, longer refresh cycles, and better storage consolidation without changing the expected enterprise performance profile. Compared with the 61.44 TB version, it delivers a more attractive balance between acquisition cost, usable capacity, and operational efficiency while keeping similar sequential and random performance behavior. It is well suited for mid-scale virtualization clusters, such as shared storage for about 150 to 200 general-purpose virtual desktops.

FAQ