Tech Spec Spec it right!

HP Z6 G4 Workstation

HP's mid-size dual-socket workstation tower: one Xeon Scalable (Skylake-SP or Cascade Lake) on the board, a second on an optional CPU/memory riser, or a single Xeon W-3200. Up to 768 GB ECC RDIMM, 1000 W PSU and two double-width GPUs for CAD, VFX and rendering.

Memory

Slots
12 DIMM: 6 on the system board (CPU0) + 6 on the optional 2nd CPU/Memory Module (CPU1); 6 channels per CPU
Type
DDR4 ECC registered DIMM only (8/16/32/64 GB); no DDR3, no unbuffered
Speeds
2133/2400/2666/2933 MT/s; the CPU sets the speed
Max
768 GB DDR4-2933 with 2 CPUs (12 x 64 GB); 384 GB DDR4-2666; 384 GB with one CPU (6 x 64 GB)
Kits by CPU
Skylake (SL): 8/16/32 GB DDR4-2666 and 8 GB DDR4-2933; Cascade Lake (CL): 8/16/32/64 GB DDR4-2933
Optane DCPMM
128 GB modules, up to 4 per CPU (factory 128/256 GB with 1 CPU, 512 GB with 2); Xeon 82xx/62xx/52xx and 4215/4215R only; memory runs at 2666 MT/s; DCPMM + DRAM up to 1 TB per CPU
Memory cooling
HP Z6 Memory Cooling Solution (2JA81AV / 2HW44AA) required with a 2nd CPU or more than 32 GB

Storage

Bays
2 internal 3.5" (acoustic rails) + 2 external 5.25"; 3rd and 4th 3.5" HDD each take an external bay; 3rd and 4th 2.5" drives share one external bay in a 2:1 carrier; 1 dedicated 9.5 mm slim optical bay
HDD
Up to 4 x 3.5" 7200 rpm SATA (500 GB to 8 TB drives listed); 300 GB 15K SAS with a SAS card
M.2
2 x M.2 PCIe Gen3 x4 from CPU, up to 80 mm; a drive in M.2 slot 2 drops PCIe slot 4 to x4
PCIe SSD
HP Z Turbo Drive M.2 kits (to 2 TB, incl. SED), Z Turbo Drive Dual Pro card (up to 4 TB), Z Turbo Drive Quad Pro card (ships with 2 M.2 modules, up to 8 TB), Intel Optane 905P AIC (280/480 GB) and M.2 (380 GB)
SATA
6 x SATA 6 Gb/s; Intel RAID 0/1/5/10 (Windows only; factory RAID 0/1/10); every port eSATA-capable with the bulkhead kit (no hot plug)
SAS
MicroSemi SmartHBA 2100-4i4e card (RAID 0/1/10, no RAID 5)
Optical
9.5 mm slim Blu-ray writer, DVD-ROM or DVD writer; half-height DVD writer in a 5.25" bay; optional HP SD 4 card reader
Removable
HP DX175 removable HDD frame/carrier; HP QX310 removable NVMe frame/carrier

Graphics

Integrated
None
Entry
NVIDIA Quadro P400, P600, P620, T400 (2/4 GB), T600; AMD FirePro W2100
Mid-range
NVIDIA Quadro P1000 (up to 3), P2000, P2200, T1000 (4/8 GB), RTX A2000 6 GB (up to 3) / 12 GB; AMD Radeon Pro WX 3100, WX 3200, WX 4100, W6600 (1 max)
High-end
NVIDIA Quadro P4000, Quadro RTX 4000, RTX A4000, RTX A4500; AMD Radeon Pro WX 7100, W5500, W5700 (1 max)
Ultra high-end
NVIDIA Quadro P5000, P6000 (1), GP100 (1), Quadro RTX 5000/6000/8000 (1), RTX A4000E (1), RTX A5000 (2), RTX A6000 (1); AMD Radeon Pro WX 9100, W6800 (1)
Max cards
Usually 2; 3 for Quadro P1000 and RTX A2000 6 GB; 1 for the largest cards (per current QuickSpecs)
Bridges / sync
NVIDIA SLI 3-slot connector; NVLink 3-slot bridges for Quadro RTX 5000/6000/8000 and RTX A5000/A6000; Quadro Sync II

Expansion

Slot 0
Mechanical only: for rear-bulkhead-only devices, or when the 2nd CPU riser is installed
Slot 1
PCIe Gen3 x4 from CPU, open-ended
Slot 2
PCIe Gen3 x16 from CPU
Slot 3
PCIe Gen3 x4 from PCH, open-ended
Slot 4
PCIe Gen3 x8 from CPU, open-ended (x4 when an SSD is in M.2 slot 2)
Slot 5
PCIe Gen3 x16 from CPU
Slot 6
PCIe Gen3 x4 from PCH, open-ended
M.2
2 x PCIe Gen3 x4 from CPU (80 mm)
Card retention
Tool-less, rear, middle (full-height) and front (full-length with extender)

Networking

Integrated
2 x 1GbE: Intel I219-LM (AMT 11.2, vPro, DASH 1.1, WOL, PXE) + Intel X722 (1GbE, iWARP RDMA)
10GbE module
Optional HP Dual Port 10GBase-T NIC module (1QL49AA) in its own rear slot
Options
Intel X550-T2 10GbE, X710-DA2 10GbE SFP+, NVIDIA Mellanox ConnectX-6 Dx 10/25GbE SFP28, Aquantia 5GbE, Intel i225-T1 2.5GbE (data sheet), Intel I210-T1, I350-T2/T4, Allied Telesis AT-2914SX fiber and AT-2911T/2 dual 1GbE
Wireless
Intel 8265, Wi-Fi 6 AX200 or Wi-Fi 6E AX210 PCIe cards

Power

1000 W
Only PSU in the QuickSpecs: wide-ranging (90-269 VAC), active PFC, 90% efficient, 2 x 6-pin (6/8-pin convertible) graphics cables; 12 A at 100-127 VAC
Data sheet
HP data sheet 4AA7-0827 (Dec 2022) also lists a 700 W, 90% PSU
Heat
Typical 2467 BTU/h, maximum 4112 BTU/h

Ports

Front (standard)
Power button, headset jack, 4 x USB 3.1 Gen1 Type-A (1 charging)
Front (premium)
Power button, headset jack, 2 x USB 3.1 Gen1 Type-A (1 charging) + 2 x USB 3.1 Gen2 Type-C (3 A); optional SD reader
Rear
6 x USB 3.1 Gen1 Type-A, 2 x RJ45 1GbE, audio line-in and line-out, PS/2 keyboard and mouse, rear power button
Optional
Serial port (cable to rear bulkhead), eSATA 2-port bulkhead kit, HP Thunderbolt 3 dual-port PCIe card (needs a PCH slot), internal USB 2.0 port kit
Internal
1 x USB 3.1 Gen1 header, 1 x USB 2.0 single-port header, 1 x USB 2.0 dual-port header

Physical

Form factor
Tower (4U when racked)
Dimensions (H x W x D)
445 x 169 x 465 mm (17.5 x 6.65 x 18.3 in)
Weight
Minimum 13.1 kg, standard 13.6 kg, maximum 23.9 kg
Operating temp
5-35 C
Acoustics (idle)
3.3 B / 15 dBA (entry config), 3.8 B / 23 dBA (mid and high-end configs)
Rack
HP Z4/Z6 depth-adjustable fixed rail rack kit (2HW42AA / 2A8Y5AA)

Management

Remote
Intel AMT 11.2x, vPro and DASH 1.1 via the I219-LM port
Security
TPM 2.0 (Infineon SLB 9670, FIPS 140-2, CC EAL4+); HP Sure Start Gen3; optional solenoid hood lock and intrusion sensor; factory-only side-panel keylock; padlock loop; Kensington slot
Options
HP Remote System Controller (PCIe card or integrated; needs 7K6E5AA cable adapter)

Operating systems

Preinstalled
Windows 11 Pro for Workstations, Windows 10 Pro for Workstations, Ubuntu 20.04 LTS, HP Linux-ready; RHEL Workstation (paper license)
Supported Linux
RHEL Workstation 6, 7, 8; SLED 12, 15; Ubuntu 16.04, 18.04, 20.04 LTS

Processors

  • Intel Xeon W-3275
  • Intel Xeon W-3265
  • Intel Xeon W-3245
  • Intel Xeon W-3235
  • Intel Xeon W-3225
  • Intel Xeon W-3223
  • Intel Xeon Platinum 8280
  • Intel Xeon Platinum 8260
  • Intel Xeon Platinum 8180
  • Intel Xeon Platinum 8160
  • Intel Xeon Gold 6258R
  • Intel Xeon Gold 6254
  • Intel Xeon Gold 6252
  • Intel Xeon Gold 6248R
  • Intel Xeon Gold 6248
  • Intel Xeon Gold 6246R
  • Intel Xeon Gold 6244
  • Intel Xeon Gold 6242R
  • Intel Xeon Gold 6242
  • Intel Xeon Gold 6240R
  • Intel Xeon Gold 6240Y
  • Intel Xeon Gold 6240
  • Intel Xeon Gold 6238R
  • Intel Xeon Gold 6234
  • Intel Xeon Gold 6230R
  • Intel Xeon Gold 6230
  • Intel Xeon Gold 6226R
  • Intel Xeon Gold 6226
  • Intel Xeon Gold 6154
  • Intel Xeon Gold 6152
  • Intel Xeon Gold 6148
  • Intel Xeon Gold 6146
  • Intel Xeon Gold 6146M
  • Intel Xeon Gold 6144
  • Intel Xeon Gold 6144M
  • Intel Xeon Gold 6142
  • Intel Xeon Gold 6140
  • Intel Xeon Gold 6138
  • Intel Xeon Gold 6136
  • Intel Xeon Gold 6134
  • Intel Xeon Gold 6132
  • Intel Xeon Gold 6130
  • Intel Xeon Gold 6128
  • Intel Xeon Gold 5222
  • Intel Xeon Gold 5220R
  • Intel Xeon Gold 5220
  • Intel Xeon Gold 5218R
  • Intel Xeon Gold 5218
  • Intel Xeon Gold 5215
  • Intel Xeon Gold 5122
  • Intel Xeon Gold 5120
  • Intel Xeon Gold 5118
  • Intel Xeon Gold 5115
  • Intel Xeon Silver 4216
  • Intel Xeon Silver 4215R
  • Intel Xeon Silver 4215
  • Intel Xeon Silver 4214R
  • Intel Xeon Silver 4214Y
  • Intel Xeon Silver 4214
  • Intel Xeon Silver 4210R
  • Intel Xeon Silver 4210
  • Intel Xeon Silver 4208
  • Intel Xeon Silver 4116
  • Intel Xeon Silver 4114
  • Intel Xeon Silver 4112
  • Intel Xeon Silver 4110
  • Intel Xeon Silver 4108
  • Intel Xeon Bronze 3206R
  • Intel Xeon Bronze 3204
  • Intel Xeon Bronze 3106
  • Intel Xeon Bronze 3104