SAMSUNG
SAMSUNG MZQL27T6HBLA-00A07 PM9A3 7.68TB enterprise SSD 2.5" U.2 PCIe 4.0 x4 NVMe 1.4
A 2.5" U.2 enterprise NVMe SSD with 7.68TB capacity delivering 6700 MB/s reads and 4000 MB/s writes
- Form Factor2.5" U.2
- Capacity7.68TB
- Memory ComponentsV-NAND TLC
- InterfacePCIe 4.0 x4 NVMe 1.4
- ControllerSamsung Elpis Controller
- CacheSamsung Low Power SDRAM
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- High capacity 7.68TB for dense storage
- Fast sequential read up to 6700 MBps speeds workloads
- High random read 1,100,000 IOPS handles heavy queues
- 256-bit AES encryption protects data at rest
- 2 million hours MTBF ensures long-term reliability
Enterprise U.2 SSD for server workloads
The Samsung PM9A3 MZQL27T6HBLA-00A07 is a 7.68TB enterprise solid-state drive built for 2.5-inch U.2 bays. It connects through a PCIe 4.0 x4 interface using NVMe 1.4 and is designed for read-intensive applications in data-centre environments. The V-NAND TLC memory and Elpis controller target consistent performance under sustained I/O.
Sustained performance under continuous load
Sequential reads reach up to 6700 MBps while sequential writes reach up to 4000 MBps. Random 4KB reads hit 1,100,000 IOPS and random 4KB writes hit 200,000 IOPS. Endurance is rated at 1 DWPD with 14,016 TBW. Active power draws 11.0W for reads and 13.5W for writes, while idle power sits at 3.5W. The drive operates from 0°C to 70°C with 1,500G shock resistance.
PCIe 4.0 x4 NVMe 1.4 interface limits
The four-lane PCIe 4.0 connection caps theoretical throughput at the drive’s published sequential speeds. NVMe 1.4 adds namespace management and sanitize commands but does not increase the link bandwidth beyond the x4 electrical limit. Systems limited to PCIe 3.0 or x2 lanes will reduce both throughput and IOPS proportionally. 256-bit AES encryption is handled by the controller without host CPU overhead.
Pontos fortes
- High capacity 7.68TB for dense storage
- Fast sequential read up to 6700 MBps speeds workloads
- High random read 1,100,000 IOPS handles heavy queues
- 256-bit AES encryption protects data at rest
- 2 million hours MTBF ensures long-term reliability
Especificações
| Brand | SAMSUNG |
|---|---|
| Model | PM9A3 |
| Part Number | MZ-QL27T600 |
| Form Factor | 2.5" U.2 |
| Capacity | 7.68TB |
| Memory Components | V-NAND TLC |
| Interface | PCIe 4.0 x4 NVMe 1.4 |
| Controller | Samsung Elpis Controller |
| Cache | Samsung Low Power SDRAM |
| Max Sequential Read | Up to 6700 MBps |
| Max Sequential Write | Up to 4000 MBps |
| 4KB Random Read | Up to 1,100,000 IOPS |
| 4KB Random Write | Up to 200,000 IOPS |
| Endurance | 1 DWPD |
| MTBF | 2,000,000 hours |
| Features | 14,016 TBW |
| Power Consumption (Idle) | 3.5W |
| Power Consumption (Active) | Read/Write: 11.0W / 13.5W |
| Operating Temperature | 0°C ~ +70°C |
| Max Shock Resistance | 1,500G & 0.5 ms (Half sine) |
| Weight | 90.00 g |
| Peso de envio | 0.18 kg |
| Dimensões da embalagem | 178 × 127 × 15 mm |
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Perguntas sobre este artigo
How much power does the PM9A3 draw at idle and under full read/write load?
The drive uses 3.5 W at idle, 11.0 W during sequential reads and 13.5 W during sequential writes.
What host connector and protocol are required to run this 2.5" U.2 SSD?
A U.2 backplane or cable wired for PCIe 4.0 x4 with NVMe 1.4 support is needed.
Will the 7.68 TB PM9A3 work in a server that only has PCIe 3.0 U.2 bays?
Yes, it will operate at PCIe 3.0 x4 speeds while keeping its 1 DWPD endurance and 14,016 TBW rating.
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