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Solidigm P42 Plus 512 GB

512 GB
Capacity
SM2268XT
Controller
pQLC (PLC)
Flash
PCIe 4.0 x4
Interface
M.2 2280
Form Factor
SSD Controller
Controller
NAND Die
NAND Die
The Solidigm P42 Plus is a solid-state drive in the M.2 2280 form factor, that was never released. It is only available in the 512 GB capacity listed on this page. With the rest of the system, the Solidigm P42 Plus interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the SM2268XT from Silicon Motion. Solidigm has installed 192-layer pQLC (PLC) NAND flash on the P42 Plus, the flash chips are made by Intel. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are soaked up more quickly. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. Performance characteristics of the drive are unknown.
The SSD's price at launch is unknown. The TBW rating for the Solidigm P42 Plus 512 GB is unknown, too.

Solid-State-Drive

Capacity: 512 GB
Overprovisioning: 35.2 GB / 7.4 %
Production: Unknown
Released: Never Released
Part Number: SBDPFKBP512G100
Market: Consumer

Physical

Form Factor: M.2 2280
Interface: PCIe 4.0 x4
Protocol: NVMe 1.4
Power Draw: Unknown

Controller

Manufacturer: Silicon Motion
Name: SM2268XT
Architecture: ARM 32-bit Cortex-R8
Core Count: Dual-Core
Frequency: 725 MHz
Foundry: TSMC
Process: 12 nm
Flash Channels: 4 @ 2,400 MT/s
Chip Enables: 4
Controller Features: HMB

NAND Flash

Manufacturer: Intel
Name: N4PA Q5171A
Type: pQLC (PLC)
Technology: 192-layer
Speed: 1600 MT/s
Capacity: Unknown
Topology: Floating Gate
Die Size: 73 mm²
(18.2 Gbit/mm²)
Planes per Die: 4
Decks per Die: 4
Endurance:
(up to)		 3000 P/E Cycles
(250000 in SLC Mode)
Page Size: 16 KB

DRAM Cache

Type and Size: Unknown

Performance

Sequential Read: Unknown
Sequential Write: Unknown
Random Read: Unknown
Random Write: Unknown
Endurance: Unknown
Warranty: Unknown
SLC Write Cache: Yes

Features

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

Notes

Drive:

Leaked information from Mouser

Controller:

Controller Clock confirmed from my SMI Rep.
SM2268XT has a different revision called SM2268XT2 which has a higher NAND Flash bus of 3200 MT/s

NAND Die:

Die read speed: aproximation
Die write speed: aproximation
In order to enable a balanced Gray data encoding, all five pages of data are needed in
both the first and second pass of the program algorithm. While this is the norm for most
QLC implementations except [1], it requires the storage of a few megabytes of data per
die in a DRAM or similar media. Instead, we use a 1b/cell (SLC) cache on the NAND die
to store the data needed for the two-pass PLC programming algorithm. To keep the area
overhead of the SLC cache to less than 2%, we improved the SLC reliability to 250k
program/erase (P/E) cycles, commensurate with 1k of P/E cycle capability in the present
PLC work.
Jun 1st, 2024 17:48 EDT change timezone

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