KIOXIA BG5 - 512GB PCIe NVMe Gen-4.0 x4 TLC NAND Flash HMB-SLC Cache M.2 NGFF 2230 Solid State Drive - KBG50ZNS512G


Warranty3 Year Manufacturer Warranty
AvailabilityYes - Ships in 1 to 2 Days
ManufacturerKIOXIA Corporation
SeriesKIOXIA BG5 Client SSD (Formerly Toshiba BG5)
UPC CodeDoes Not Apply

Product Specs

Product Specs
Capacity512 GB
Cache Buffer64MB Host-Memory-Buffer (HMB) Pseudo-SLC Caching
Flash TypeToshiba 3-bit BiCS 112-layer 3D TLC NAND Flash Memory (Tri-Level Cell)
ControllerToshiba TC58NCOL-BGSB 4-Channel Controller
Form FactorM.2 2230-S2-M (M Key Single Sided)
Interface SpeedPCIe NVMe 1.4 Generation 4.0 x4 64GT/s (up to 4 Lanes)
Interface ConnectorM.2 NGFF (M Key)
Max Sequential Readup to 3,500 MB/sec (Queues = 32, Threads = 1)
Max Sequential Writeup to 2,700 MB/sec (Queues = 32, Threads = 1)
4K Random Readup to 400,000K IOPS (Queues = 32, Threads = 16)
4K Random Writeup to 430,000K IOPS (Queues = 32, Threads = 16)
SSD Endurance300 TBW (Total Bytes Written)
Life Expectancy1.5 Million Hours MTTF (Mean Time To Failures)
Shock Resistance1,500G @0.5 ms half sine, 3 pulses per face
Ecc RecoveryLow-Density Parity Check (LDPC) Error Correction Technology
EncryptionTCG Pyrite 2.01; ATA Security Passthrough over NVMe
Rohs CompliantYes
Dimensions(L x W x H) 30.0mm x 22.0mm x 2.23mm
Power ConsumptionActive (typ.) Read 4.1 W / Write 4.0 W (typ.) / L1.2 Mode 3.0 mW (typ.)
ClassificationEntry Level Drives

Key Features

  • Fast Start-Up, Loading and File Transfers
  • Shock and Vibration Resistant
  • Backwards Compatible with PCIe NVMe 3.0 System Boards
  • Incredible PCIe NVMe Generation 4.0 Performance
  • Host Memory Buffer (HMB) SLC Caching
  • Toshiba 4 Channel Controller
  • Toshiba TLC NAND Flash Memory
  • Active Garbage Collection
  • Low Power Consumption
  • Bad Block Management Technology
  • Dynamic and Static Wear Leveling Technology
  • Dynamic Write Acceleration Technology
  • Host Control Thermal Management (HCTM) Technology
  • Trim Support Technology
  • Enhanced Defect and Error Management Technology
  • Advanced Hardware LDPC ECC Technology
  • Built for Laptops, Desktops, Workstations and All-in-One PCs


The KIOXIA BG5 Series is a line-up of compact form factor NVM SSDs with capacities up to 1,024 GB, and leverages a PCIe 4.0, NVMe 1.4 specification compliant interface and KIOXIA 112-layer BiCS FLASH 3D TLC (3-bit-per-cell) flash memory. With higher bandwidth, improved flash management and Host Memory Buffer (HMB) technology, BG5 Series SSDs deliver best-in-class read performance for compact form factor SSDs of up to 3,500 MB/s (sequential read) and up to 500K IOPS (random read), with active power consumption of up to 4.3 W (Typ.).

KIOXIA BG5 Series SSDs are available in capacities of 256 GB, 512 GB and 1,024 GB in M.2 Type 2230 and Type 2280 module form factors, making them suitable for thin and light system designs, such as ultra-thin PCs, embedded devices and server boot in data centers.

The KIOXIA BG5 Series offers a Self-Encrypting Drive (SED) model option, supporting TCG Opal Version 2.01.

Built for Speedy Application Performance

This Toshiba/Kioxia BG5 SSD is built for a variety of applications such as mobile, IoT devices, and server boot. BG5 stands for the fifth generation of the company’s ball grid array (BGA) SSD product line. These new SSDs come in the tiny M.2 2230 form factor making them ideal for ultra-mobile PCs, 2-in-1 notebook PCs, IoT/embedded devices, and server and storage array boot drives.

   Key Applications

  • Industrial PCs
  • Ultra-Mobile PCs
  • 2-in-1 Notebook PCs
  • IoT/Embedded Devices
  • Server and Storage Array Boot Drives
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