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Samsung BM1743 61 TB

61 TB
Capacity
Samsung ELAN
Controller
QLC
Flash
PCIe 5.0 x4
Interface
U.2
Form Factor
The Samsung BM1743 is a solid-state drive in the U.2 form factor, launched on July 5th, 2024. It is only available in the 61 TB capacity listed on this page. With the rest of the system, the Samsung BM1743 interfaces using a PCI-Express 5.0 x4 connection. The SSD controller is the ELAN (S4LV006) from Samsung. Samsung has installed 176-layer QLC NAND flash on the BM1743, the flash chips are made by Samsung. Thanks to support for the fast PCI-Express 5.0 interface, performance is excellent. The BM1743 is rated for sequential read speeds of up to 7,200 MB/s and 2,000 MB/s write; random IOPS reach up to 1600K for reads and 110K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. Samsung guarantees an endurance rating of 29153 TBW, a relatively low value compared to other SSDs.

Solid-State-Drive

Capacity: 61 TB (61440 GB)
Overprovisioning: Unknown
Production: Active
Released: Jul 5th, 2024
Part Number: Unknown
Market: Enterprise

Physical

Form Factor: U.2
Interface: PCIe 5.0 x4
Protocol: NVMe 1.4
Power Draw: Unknown

Controller

Manufacturer: Samsung
Name: ELAN (S4LV006)
Architecture: ARM 32-bit Cortex-M0
Foundry: Samsung FinFET
Process: 8 nm
Flash Channels: 16 @ 1,200 MT/s
Chip Enables: 4
Controller Features: DRAM

NAND Flash

Manufacturer: Samsung
Name: V-NAND V7
Type: QLC
Technology: 176-layer
Speed: 1600 MT/s
Capacity: Unknown
Toggle: 4.0
Topology: Charge Trap
Die Size: 67 mm²
(15.3 Gbit/mm²)
Planes per Die: 4
Decks per Die: 1
Word Lines: 191 per NAND String
92.1% Vertical Efficiency
Read Time (tR): 85 µs
Program Time (tProg): 1600 µs
Page Size: 16 KB

DRAM Cache

Type and Size: Unknown

Performance

Sequential Read: 7,200 MB/s
Sequential Write: 2,000 MB/s
Random Read: 1,600,000 IOPS
Random Write: 110,000 IOPS
Endurance: 29153 TBW
Warranty: 5 Years
MTBF: 2.5 Million Hours
Drive Writes Per Day (DWPD): 0.3
Write Cache: N/A

Features

TRIM: Yes
SMART: Yes
Power Loss Protection: Yes
Encryption:
  • Unknown
RGB Lighting: No
PS5 Compatible: No

Notes

NAND Die:

Upper Deck: 101 Gates
Lower Deck: 90 Gates

Aug 28th, 2024 01:17 EDT change timezone

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