The HP Z Turbo Quad Pro is a PCIe x16 expansion card that holds four M.2 NVMe SSDs, designed for HP Z-series workstations (like Z440, Z640, Z840, Z4, Z6, Z8, etc.).

It is not a single SSD—it’s a quad M.2 SSD carrier/RAID adapter that allows very high storage speed and capacity.

 HP Z Turbo Quad Pro – Specifications

Key Features

• M.2 NVMe SSD slots: 4

• Interface: PCIe 3.0 x16

• Protocol: NVMe 1.1

• Form Factor: HHHL (Half-Height, Half-Length PCIe card)

• Supported M.2 sizes:

  • 2280 (80mm)

  • PCIe Gen3 x4 per slot

 Maximum Speeds

(with 4 SSDs in RAID configuration)

• Up to ~9 GB/s read

• Up to ~4+ GB/s write
  (Speeds depend on RAID type and SSD models.)

 RAID Support

• RAID 0

• RAID 1

• RAID 5

• RAID 10
  (via HP BIOS / Intel RSTe / Windows / Linux)

 Other Features

• Large passive heatsink for all four SSDs

• LED indicators for each M.2 slot

• Works as an HBA – often no additional drivers required (OS sees the SSDs directly)

Compatible Workstations

Officially supported:

• Z440 / Z640 / Z840

• Z4 G4

• Z6 G4

• Z8 G4

It also works in many other PCIe x16 systems, though some non-HP systems may require BIOS tweaks.