![]() ![]() The motherboard backplane has six USB-A 3.2 Gen 1 ports, Ethernet, and another universal audio jack. The bays can also be populated with optical drives or 3.5-inch drives. The standard panel loses the USB-C ports and sticks with four USB-A 3.2 Gen 1 ports.įor quick access to fast storage, the Z4 G5 will also come with optional hot-swappable NVMe front bays later in 2023, which is what those blank plastic panels are for. It looks like our unit has a full-size SD card reader, but it doesn’t-that’s optional. The premium port panel seen here has a universal audio jack, a USB-A 3.2 Gen 1 port (5Gbps), and two USB-C 3.2 Gen 2x2 ports (20Gbps). ![]() The front panel has HP’s reflective logo along with the model name, the power button, and lots of airflow perforations. The tower even has built-in carry handles, which are helpful for, if nothing else, safely getting it out of the shipping box. HP's Z4 case is mostly comprised of solid steel and feels built to last. It sits squarely in the mid-tower territory, at 15.2 by 17.5 by 6.7 inches (HWD), being slightly longer and taller, but not wider, than the Z2 G9. Unlike showy gaming desktops, the Z4 G5’s all-black exterior doesn’t drop many hints that it’s one of the most powerful towers available in this size. The main reason to step up to the Z6 or Z8 is if you need more than 24 processor cores or 512GB of RAM. Rest assured that the Z4 G5 won’t run out of bandwidth even with multiple graphics cards and storage drives. ![]() These processors provide superior expansion to Intel's consumer "Core" chips, supporting 64 PCI Express lanes and 512GB of RAM.Ĭomparatively, the Z2 G9’s top choice, the Intel Core i9-13900K, tops out at just 20 lanes and only 128GB of RAM. The Z4 is the first tier that is considered a true workstation since it uses Intel's Xeon workstation processors, specifically the latest “Sapphire Rapids” Xeon w3 through w7 chips. HP's Z4 G5 sits midway up its Z workstation lineup, which starts with the Z2 and goes beyond the Z4, the Z6, and Z8. The Z4 G5’s impressive capabilities earn it our Editors' Choice award among single-processor desktop workstations. For getting things done, this is HP's ticket to the express train. It can also fit two high-end graphics cards and external NVMe bays. Our kitted-out test sample has a 24-core Intel Xeon w7-2495X processor, which adds several thousand bucks to the price by itself, along with 64GB of error-correcting RAM, professional Nvidia graphics, and PCI Express 4.0 storage. The HP Z2 G9 desktop workstation packs a serious punch, but the Z4 G5 under review here (starts at $2,080 $6,691 as tested) takes that performance to the next level. ![]()
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