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Toshiba Ethernet SSD 8 TB

8 TB
Capacity
88SS5000
Controller
TLC
Flash
PCIe 3.0 x4
Interface
U.2
Form Factor
Front
PCB Front
PCB Front
SSD Controller
Controller
NAND Die
NAND Die
The Toshiba Ethernet SSD is a solid-state drive in the U.2 form factor, launched in 2019. It is only available in the 8 TB capacity listed on this page. With the rest of the system, the Toshiba Ethernet SSD interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the 88SS5000-BZK2 from Marvell, a DRAM cache chip is available. Toshiba has installed 96-layer TLC NAND flash on the Ethernet SSD, the flash chips are made by Toshiba. .
The SSD's price at launch is unknown. The TBW rating for the Toshiba Ethernet SSD 8 TB is unknown, too.

Solid-State-Drive

Capacity: 8 TB (8000 GB)
Overprovisioning: 741.4 GB / 10.0 %
Production: Unknown
Released: 2019
Part Number: Unknown
Market: Enterprise

Physical

Form Factor: U.2
Interface: PCIe 3.0 x4
Protocol: NVMe 1.3
Power Draw: Unknown

Controller

Manufacturer: Marvell
Name: 88SS5000-BZK2
Architecture: ARM 32-bit Cortex-R5
Core Count: Quad-Core
Foundry: TSMC
Process: 28 nm
Flash Channels: 8 @ 800 MT/s
Chip Enables: 8
Controller Features: DRAM (enabled)

NAND Flash

Manufacturer: Toshiba
Name: BiCS4
Part Number: TH58LJT2T24BA8H
Type: TLC
Technology: 96-layer
Speed: 533 MT/s .. 800 MT/s
Capacity: 16 chips @ 2 Tbit
Toggle: 3.0
Topology: Charge Trap
Process: 19 nm
Dies per Chip: 8 dies @ 256 Gbit
Planes per Die: 2
Decks per Die: 2
Word Lines: 109 per NAND String
88.1% Vertical Efficiency
Read Time (tR): 59 µs
Program Time (tProg): 625 µs
Die Read Speed: 551 MB/s
Die Write Speed: 56 MB/s
Endurance:
(up to)		 1500 P/E Cycles
(3000 in SLC Mode)
Page Size: 16 KB
Block Size: 1152 Pages
Plane Size: 1980 Blocks

DRAM Cache

Type: DDR4-2666 CL18
Name: Micron MT40A1G16KNR-075:E (D9WFR)
Capacity: 12288 MB
(6x 2048 MB)
Organization: 16Gx16

Performance

Sequential Read: 3,000 MB/s
Sequential Write: Unknown
Random Read: 650,000 IOPS
Random Write: Unknown
Endurance: Unknown
Warranty: Unknown
Write Cache: N/A

Features

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

Notes

NAND Die:

Read latency tR: 58 µs (ABL)
Performance:
tPROG (typical) - 2100 µs (MSB)
tR (typical) - 59 µs
tPROG (ower page) ~ 200 µs
Estimated tPROG between 625 ~ 975 µs
Jun 2nd, 2024 02:30 EDT change timezone

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