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Black tower workstation with front USB ports and power button

HP

HP Z4 G6i Workstation Xeon 636 64 GB 1 TB SSD Tower Black

SKU CH-2B4A-3AZ39

A tower workstation with a 3.50 GHz Xeon 636, 64 GB DDR5 ECC memory and a 1 TB NVMe 4.0 SSD, ready for AI-powered workloads

  • Screen size0 in (0 cm)
  • ProcessorXeon
  • Memory size64 GB DDR5 SDRAM ECC Registered (2 × 32 GB)
  • Storage drive1 TB SSD PCIe NVMe 4.0 x4
  • ChipsetIntel W890
  • CPUIntel Xeon 636
  • Intel Xeon 636 with vPro Technology and ECC memory for reliable performance
  • 64 GB DDR5 ECC registered memory in two 32 GB modules for error-corrected capacity
  • 1 TB PCIe NVMe 4.0 x4 SSD for fast storage throughput
  • 1200 W power supply supports demanding workloads
  • Windows 11 Pro pre-installed for professional software compatibility

HP Z4 G6i Workstation

This HP Z4 G6i workstation is a new tower desktop built for professional workloads that demand ECC memory and vPro manageability. It ships with Windows 11 Pro, an English keyboard and a mouse included in the box. The air-cooled chassis uses a 1200 W power supply to support sustained compute tasks.

Intel Xeon 636 with 48 MB L3 cache

The single installed processor is an Intel Xeon 636 running at a 3.50 GHz base frequency with 48 MB of L3 cache. It uses the LGA-4710 socket on the Intel W890 chipset and supports vPro Technology plus ECC memory. Only one CPU can be fitted, so the 64 GB DDR5 ECC registered configuration (2 x 32 GB) occupies two of the eight available DIMM slots.

Tool-less tower access and DDR5 ECC modules

The tower chassis provides tool-less entry for memory and storage upgrades, while the 1 TB PCIe NVMe 4.0 x4 SSD occupies one M.2 slot. Installers must use DDR5 ECC registered DIMMs; non-ECC or older DDR generations will not function. The 10 USB ports include one USB 2.0, one USB 3.0 and one USB Type-C 10Gbps connector alongside a single Gigabit Ethernet port.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $6,719.99
Pricier than about 94% of the 14,711 comparable items (median $494.99).
Screen size 0 in (0 cm)
Lower than about 99% of the 2,278 comparable items (median 22 in).
Memory size 64 GB DDR5 SDRAM ECC Registered (2 × 32 GB)
Higher than about 91% of the 5,840 comparable items (median 16 GB).

Specifications

Product
Brand nameHP
Product lineZ4 G6i
Model nameZ4 G6i
Part numberDE6H4UT#ABA
Product typeWorkstation
Product colorBlack
Processor
ProcessorXeon
CPUIntel Xeon 636
CPU modelXeon 636
CPU socketSocket LGA-4710
ChipsetIntel W890
Base clock speed3.5 GHz
Processor cache48 MB L3 Cache
L3 cache per CPU48 MB
Memory
Memory size64 GB DDR5 SDRAM ECC Registered (2 × 32 GB)
RAM capacity64 GB
Memory configuration2 × 32 GB
Total memory slots8
Max supported RAM512 GB
Storage
Storage drive1 TB SSD PCIe NVMe 4.0 x4
SSD storage1 TB
Storage configurationPCI Express NVMe 4.0 x4, RAID 0/1/5/10 supported
Display
Screen size0 in (0 cm)
Connectivity
Wired networkGigabit Ethernet
Ports & slots
External ports10 USB Ports (1 USB 2.0, 1 USB 3.0, 1 USB Type-C 10 Gbit/s), 1 Ethernet port
Power
Power supply1200 W
Size & build
Form factorTower
ChassisTower, Black
Compatibility
Windows 11 supportYes
In the box
Bundled mouseIncluded
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI-powered
Cooling methodAir Cooler
KeyboardEnglish Keyboard

Questions about this item

Will the 3.50 GHz Xeon 636 clock stay high under sustained multi-core load in a tower chassis?

The 1200 W power supply and air cooler in this tower are sized to support the Xeon 636 at its 3.50 GHz base frequency during extended workloads.

What does the PCIe 4.0 x4 link mean for the 1 TB SSD in daily use?

The NVMe drive connects through a PCIe 4.0 x4 interface, so sequential read and write speeds can reach the drive's rated ceiling without bus bottleneck.

How many memory slots remain free for expanding the 64 GB DDR5 ECC configuration?

Two of the eight DDR5 slots are occupied by the factory 2 x 32 GB modules, leaving six slots open for registered ECC memory up to 512 GB total.

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