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Kingston KC600 256 GB (SM2259 + Micron B27A)

256 GB
Capacity
SM2259H
Controller
TLC
Flash
SATA 6 Gbps
Interface
2.5"
Form Factor

Multiple hardware versions found.

Performance could vary due to unannounced flash/controller changes.

Package
Package
SSD Controller
Controller
NAND Die
NAND Die
The Kingston KC600 was a solid-state drive in the 2.5" form factor, launched in October 2019, that is no longer in production. It was available in capacities ranging from 256 GB to 2 TB. This page reports specifications for the 256 GB variant. With the rest of the system, the Kingston KC600 interfaces using a SATA 6 Gbps connection. The SSD controller is the SM2259H from Silicon Motion, a DRAM cache chip is available. Kingston has installed 96-layer TLC NAND flash on the KC600, the flash chips are made by Micron. Please note that this SSD is sold in multiple variants with different NAND flash or controller, which could affect performance, the "Notes" section at the end of this page has more info. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are processed more quickly. The KC600 is rated for sequential read speeds of up to 550 MB/s and 500 MB/s write; random IOPS reach up to 90K for reads and 80K for writes.
At its launch, the SSD was priced at 46 USD. The warranty length is set to five years, which is an excellent warranty period. Kingston guarantees an endurance rating of 150 TBW, a typical value for consumer SSDs.

Solid-State-Drive

Capacity: 256 GB
Variants: 256 GB 512 GB 1 TB 2 TB
Hardware Versions:
Overprovisioning: 17.6 GB / 7.4 %
Production: End-of-life
Released: Oct 2019
Price at Launch: 46 USD
Part Number: SKC600/256G
Market: Consumer

Physical

Form Factor: 2.5"
Interface: SATA 6 Gbps
Protocol: AHCI
Power Draw: 0.20 W (Idle)
1.3 W (Avg)
3.2 W (Max)

Controller

Manufacturer: Silicon Motion
Name: SM2259H
Architecture: ARC
Core Count: Single-Core
Frequency: 400 MHz
Foundry: TSMC
Process: 40 nm
Flash Channels: 4
Chip Enables: 8
Controller Features: DRAM (enabled)

NAND Flash

Manufacturer: Micron
Name: B27A FortisFlash
Part Number: NW951
Rebranded: MT29F1T08EEHBFJ4-R:B
Type: TLC
Technology: 96-layer
Speed: 50 MT/s .. 800 MT/s
Capacity: 2 chips @ 1 Tbit
ONFI: 4.0
Topology: Floating Gate
Die Size: 82 mm²
(6.2 Gbit/mm²)
Dies per Chip: 2 dies @ 512 Gbit
Planes per Die: 4
Decks per Die: 2
Word Lines: 106 per NAND String
90.6% Vertical Efficiency
Read Time (tR): 88 µs
Program Time (tProg): 800 µs
Block Erase Time (tBERS): 15 ms
Die Read Speed: 727 MB/s
Die Write Speed: 80 MB/s
Endurance:
(up to)
2000 P/E Cycles
(40000 in SLC Mode)
Page Size: 16 KB
Block Size: 5184 Pages
Plane Size: 236 Blocks

DRAM Cache

Type: DDR3L
Capacity: 256 MB
(1x 256 MB)

Performance

Sequential Read: 550 MB/s
Sequential Write: 500 MB/s
Random Read: 90,000 IOPS
Random Write: 80,000 IOPS
Endurance: 150 TBW
Warranty: 5 Years
MTBF: 1.0 Million Hours
Drive Writes Per Day (DWPD): 0.3
SLC Write Cache: Yes

Features

TRIM: Yes
SMART: Yes
Power Loss Protection: No
Encryption:
  • AES-256
  • TCG Opal
RGB Lighting: No
PS5 Compatible: No

Notes

Controller:

This controller may be clocked above 400 MHz.

Jun 1st, 2024 16:41 EDT change timezone

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