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Seagate IronWolf 110 960 GB

960 GB
Capacity
Seagate 500021768
Controller
TLC
Flash
SATA 6 Gbps
Interface
2.5"
Form Factor
Front
SSD Controller
Controller
NAND Die
NAND Die
The Seagate IronWolf 110 is a solid-state drive in the 2.5" form factor, launched in 2019. It is available in capacities ranging from 240 GB to 3.8 TB. This page reports specifications for the 960 GB variant. With the rest of the system, the Seagate IronWolf 110 interfaces using a SATA 6 Gbps connection. The SSD controller is the SF-4500500021768 from Seagate, a DRAM cache chip is available. Seagate has installed 64-layer TLC NAND flash on the IronWolf 110, the flash chips are made by Toshiba. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are processed more quickly. The IronWolf 110 is rated for sequential read speeds of up to 560 MB/s and 535 MB/s write; random IOPS reach up to 90K for reads and 55K for writes.
At its launch, the SSD was priced at 200 USD. The warranty length is set to five years, which is an excellent warranty period. Seagate guarantees an endurance rating of 1750 TBW, a good value.

Solid-State-Drive

Capacity: 960 GB
Variants: 240 GB 480 GB 960 GB 1.9 TB 3.8 TB
Overprovisioning: 129.9 GB / 14.5 %
Production: Active
Released: 2019
Price at Launch: 200 USD
Part Number: ZA960NM10001
Market: Consumer

Physical

Form Factor: 2.5"
Interface: SATA 6 Gbps
Protocol: AHCI
Power Draw: 1.2 W (Idle)
3.2 W (Avg)
Unknown (Max)

Controller

Manufacturer: Seagate
Name: SF-4500500021768
Foundry: TSMC or UMC
Flash Channels: 8 @ 533 MT/s
Chip Enables: 4
Controller Features: DRAM (enabled)

NAND Flash

Manufacturer: Toshiba
Name: BiCS3
Part Number: TH58TFG9V23BA4C
Type: TLC
Technology: 64-layer
Speed: 533 MT/s
Capacity: 16 chips @ 512 Gbit
ONFI: 3.2
Toggle: 2.0
Topology: Charge Trap
Process: 19 nm
Dies per Chip: 2 dies @ 256 Gbit
Planes per Die: 2
Decks per Die: 2
Read Time (tR): 80 µs
Program Time (tProg): 695 µs
Die Read Speed: 400 MB/s
Die Write Speed: 46 MB/s
Endurance:
(up to)		 3000 P/E Cycles
(30000 in SLC Mode)
Page Size: 16 KB
Block Size: 768 Pages
Plane Size: 1478 Blocks

DRAM Cache

Type: DDR3-1866
Capacity: Unknown
Host-Memory-Buffer (HMB): N/A

Performance

Sequential Read: 560 MB/s
Sequential Write: 535 MB/s
Random Read: 90,000 IOPS
Random Write: 55,000 IOPS
Endurance: 1750 TBW
Warranty: 5 Years
MTBF: 2.0 Million Hours
Drive Writes Per Day (DWPD): 1.0
SLC Write Cache: Yes

Features

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

Notes

Drive:

Given the SandForce's acquisition, SandForce made this controller marking it as "SF-4500". Furthemore, this drive has a small static SLC cache which shares space with the over-provisioning area.

NAND Die:

Read latency:
tR: 64µs (SBL)
tR: 80µs (ABL)
Jun 1st, 2024 02:40 EDT change timezone

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