HP EliteDesk 800 G5 Tower vs. HP ProDesk 490 G2 Microtower

Comparison and Differences

HP_EliteDesk_800_G5_Tower.jpg case front and back pannelHP_ProDesk_490_G2_Microtower.jpg case front and back pannel
ModelHP EliteDesk 800 G5 TowerHP ProDesk 490 G2 Microtower
Form factorMini TowerMini Tower
CPU optionsIntel Gen8&9 i3/i5/i7; Celeron; Pentium;Intel Gen4 i3/i5/i7; Celeron; Pentium;
ChipsetQ370H81
Dedicated GPU *GeForce GTX 1660 SuperGeForce GTX 1660 Super
RAMDIMM DDR4-2666DIMM DDR3-1600
RAM slots44
RAM speed2666 MT/s1600 MT/s
RAM max128 GB32 GB
USB portsUSB-C 3.1; (4x)USB-A 3.1; (2x)USB-A 3.0; (4x)USB-A 2.0; (4x)USB-A 3.0; (4x)USB-A 2.0;
Video ports(2x) DisplayPort;VGA; DVI-D;
Other portsRJ45; Hdph; Headset; Line-Out; Line-In;RJ45; Hdph; Mic; Line-Out; Line-In; Serial; (2x) PS2;
Optional portsDP/HDMI/VGA/USB-C(DP); Serial; SD card reader;SD card reader; Serial; Parallel; DisplayPort
SATA ports43
PCI slotsPCIe 3.0 x16; (2x) PCIe 3.0 x1; PCIe 3.0 x16 (wired x4);PCIe x16; (2x) PCIe x1; PCIe x16 (wired x4);
M.2 slots(2x) M.2 2280/2230 M-key (PCIe x4); M.2 2230 (WiFi/BT);N.A.
Drive bays2.5in; (2x) 3.5in; 5.25in; 5.25in (slim);(2x) 3.5in; 5.25in (slim)
PSU250/500 W180/300 W
Weight9.86 kg (21.74 lb)6.5 kg (14.3 lb)
Released20192014
Manuallinklink
Price**Check PriceCheck Price
** As an Amazon associate we earn from qualifying purchases.
* Dedicated GPU warning: Check if your particular power supply model has enough power. Additionally some PSUs don't come with an auxiliary PCIe power connector and you may need to buy a SATA to PCIe power adapter.

Differences between HP EliteDesk 800 G5 Tower and HP ProDesk 490 G2 Microtower

If you are looking for a more modern desktop, then you should go with the HP EliteDesk 800 G5 Tower which was released in 2019. The HP ProDesk 490 G2 Microtower is older and entered production in 2014.

Form factor wise the models are the same. This means that they are of similar size and form.

Processor

Usually the newer the generation of the CPU, the better the performance and efficiency is. If your budget allows it, you should go with the HP EliteDesk 800 G5 Tower as it is running a newer generation CPU. This is not to say that HP ProDesk 490 G2 Microtower is bad - it can still run some powerful CPUs, albeit being an older generation.

Memory

RAM slots is where your insert your RAM sticks. Each of those two models has 4 RAM slot(s) which should be taken into account when planning how much and what combination of RAM you are going to need.

The HP EliteDesk 800 G5 Tower is using the faster 2666 MT/s RAM. The HP ProDesk 490 G2 Microtower is slower by supporting RAM speeds of up to 1600 MT/s. Additionally, if you will be needing a lot of RAM, better go for the HP EliteDesk 800 G5 Tower as it has the ability to run 128 GB of RAM. The HP ProDesk 490 G2 Microtower can do a bit less at max 32 GB. Most of the times, this should be sufficient for the majority of users.

Ports

In total the HP EliteDesk 800 G5 Tower has 11 USB ports. The HP ProDesk 490 G2 Microtower is inferior in this regard and packs 8 USB ports. In any case, if you miss USB ports, you can always purchase a USB hub. What is nice about the HP EliteDesk 800 G5 Tower, is that it has 5 USB 3.1 port(s) which allows transfer of up to 10Gb/s. Unfortunately, the HP ProDesk 490 G2 Microtower has no such port, thus restricting your transfer speeds significantly. For people who want to use external drives on regular basis, this might be an issue.

Unfortunately, only the HP EliteDesk 800 G5 Tower has a DisplayPort. The HP ProDesk 490 G2 Microtower does not have one? Don't worry though, nowadays video adapters are cheap and you can get almost any combination of conversion types.

None of the models has an HDMI port. If your monitor supports only the HDMI interface, you will need to buy an adapter. Such adapters are cheap so nothing to worry about.

SATA ports are placed on the system board and it is where you connect your HDD, SSD and Optical Disk Drives. More SATA slots will allow you to have more drives running at the same time. In this regard the HP EliteDesk 800 G5 Tower is better equipped as it comes with 4 SATA slot(s), while the HP ProDesk 490 G2 Microtower has 3 slot(s).

If you want the fastest transfer speeds for your SSD, an M.2 interface is crucial. Thus, if the M.2 SSD slot is a mandatory requirement for you, go with the HP EliteDesk 800 G5 Tower. Sadly, the HP ProDesk 490 G2 Microtower has no such slot, and you will be forced to use the SATA interface instead.

Remark: Make sure that the available M.2 slot supports the PCIe (also called NVMe) interface. This is important as there are M.2 slots which support only the inferior SATA III interface. For comparison, the SATA III interface has max speeds of 6Gb/s, while the PCIe 3.0 x4 will support speeds up to 32Gb/s!

Power Supply

Having a Power Supply Unit with high power rating is important, if you are going to use components which require extra power. The HP ProDesk 490 G2 Microtower comes with a decent 300 Watt PSU, but the HP EliteDesk 800 G5 Tower has a more powerful one rated at 500 Watts. Choosing either one depends on your specific requirements and use case. Also don't forget that some models might have more than one PSU option - try to always get the most powerful one, especially if you plan to upgrade to a powerful GPU.

Motherboard

HP_EliteDesk_800_G5_Tower_motherboard.jpg motherboard layoutHP_ProDesk_490_G2_Microtower_motherboard.jpg motherboard layout

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