HP Z8 G4 Upgrade Guide
Maximize the performance and lifespan of your HP Z8 G4. Every upgrade option below is verified compatible.
Verified Specifications
| Processor Options | 2x Intel Xeon Scalable (Bronze to Platinum 8260L) |
| Memory Configuration | 24 DIMM slots DDR4 ECC; up to 1.5TB RDIMM / 3TB LRDIMM |
| Drive Configurations | 4x internal 3.5in + 2x external 5.25in bays |
| Power Supply Options | 1125W / 1450W / 1700W, 90% efficient |
| GPU Options | Up to NVIDIA RTX A6000 48GB |
| Specification Source | HP official documentation (verified 2026-07-02) |
Frequently Asked Questions
Upgrade Power & Cooling
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
4N007AA HP Z2 G9 Tower Dual Front System Fan
57K33AV HP 1125W PSU Z4 G5 Workstation
644315-001 HP Z820/Z840 Rear Dual Fan Assembly
647113-001 HP Z820/Z840 Front Case Fan Assembly
653905-001 HP Z440 Internal Case Cooling Fan
6E3Z5AA HP Z8 Fury G5 1125/1450W EPA90 Redundant PSU
Upgrade Chassis
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
907248-001 HP Z4 G4 Front Bezel
907249-001 HP Z4 G4 Side Access Panel
907250-001 HP Z4 G4 Air Duct/Shroud
914035-001 HP Z6/Z8 G4 Front Bezel
914036-001 HP Z8 G4 Side Access Panel
L72717-001 HP Z2 Tower G5 Front Bezel
Upgrade Networking
Stepping up from 1GbE to 10GbE or 25GbE eliminates network bottlenecks for VM migration, iSCSI storage traffic, and backup windows. Most modern workloads benefit from at least 10GbE.
1XM32AA HP Z Premium Front IO Panel
761511-001 HP Z440/Z640 Front Control Panel IO Assembly
820928-001 HP Z240 Tower Front IO Panel V2
820929-001 HP Z240 Tower Front USB Audio IO Assembly
820940-001 HP Z240 SFF Front USB IO Audio Panel
857698-001 HP Z4/Z6/Z8 G4 Front IO Cable
Upgrade Controllers
Upgrading your RAID controller enables faster disk I/O, larger cache, and support for newer drive technologies. Essential when adding NVMe or SAS-4 drives.
698114-001 HP Z230 SFF Motherboard LGA1150 MINI-ITX
761510-001 HP Z840 Workstation System Board
761512-001 HP Z640 Workstation System Board
761514-001 HP Z440 Workstation System Board
795000-001 HP Z240 Tower Workstation System Board V3
795003-001 HP Z240 SFF Workstation System Board V2
Upgrade GPU
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
00MKC Dell NVIDIA Quadro P5000 16GB GDDR5X GPU (Dell Pn)
1ME41AA HP NVIDIA Quadro P2000 5GB 4DP Graphics
20X23AA HP NVIDIA Rtx A5000 24GB GDDR6 PCIe 4.0 X16 Low Profile GPU
2S6U3AA HP NVIDIA Rtx A6000 48GB GDDR6 PCIe 4.0 X16 Workstation GPU
340L0AA HP NVIDIA Rtx A2000 6GB 4MDP Graphics
490-BDNO Dell NVIDIA Quadro P6000 24GB GDDR5X 4DP DL-DVI-D Precision GPU Kit
Upgrade Memory
Memory is the most impactful upgrade for virtualization and database workloads. Upgrading from 64GB to 128GB or 256GB can dramatically improve VM density and application response times.
3TK83AA HP 16GB DDR4-2666 PC4-21300 2Rx8 Non-ECC UDIMM
844777-001 HP Z8 G4 Memory Riser Board
844782-001 HP Z6 G4 2ND CPU Memory Expansion Riser Board
844872-001 HP Z6 G4 2ND CPU Riser Board with Heatsink V2
858085-001 HP Z6 G4 2ND CPU Riser Tray Assembly
858086-001 HP Z6 G4 Riser Tray Plate
Upgrade Storage
Moving from spinning disk to SSD or NVMe storage provides the largest single performance improvement — often 10-50x faster I/O. Consider NVMe for boot drives and high-IOPS workloads.
668261-002 HP Z240/Z440 2.5-INCH SSD Drive Caddy
727139-001 HP Z240/Z440 3.5-INCH HDD Caddy Tray
742006-003 HP Z Turbo Drive G2 M.2 PCIe Adapter Card
742006-005 HP Z Turbo Drive G2 M.2 PCIe Adapter Low Profile
793520-001 HP Z240/Z440 3.5-INCH HDD Caddy Tray V2
914706-001 HP Z8 G4 3.5-INCH HDD Caddy
More HP Z8 G4 Resources
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