HP EliteDesk 800 G2 SFF vs. HP ProDesk 490 G2 Microtower

Comparison and Differences

HP_EliteDesk_800_G2_SFF.jpg case front and back pannelHP_ProDesk_490_G2_Microtower.jpg case front and back pannel
ModelHP EliteDesk 800 G2 SFFHP ProDesk 490 G2 Microtower
Form factorDesktopMini Tower
CPU optionsIntel Gen6 i3/i5/i7; Celeron; Pentium;Intel Gen4 i3/i5/i7; Celeron; Pentium;
ChipsetQ170H81
Dedicated GPU *GeForce GT 1030 Low ProfileGeForce GTX 1660 Super
RAMDIMM DDR4-2133DIMM DDR3-1600
RAM slots44
RAM speed2133 MT/s1600 MT/s
RAM max64 GB32 GB
USB ports(8x)USB-A 3.0; (2x)USB-A 2.0; (4x)USB-A 3.0; (4x)USB-A 2.0;
Video ports(2x) DisplayPort; VGA;VGA; DVI-D;
Other portsRJ45; Hdph; Mic; Line-Out; Line-In; Serial; (2x) PS2; RJ45; Hdph; Mic; Line-Out; Line-In; Serial; (2x) PS2;
Optional portsSD card reader; Serial; Parallel;SD card reader; Serial; Parallel; DisplayPort
SATA ports33
PCI slotsPCIe 3.0 x16; (2x) PCIe x1; PCIe 3.0 x16 (wired x4)PCIe x16; (2x) PCIe x1; PCIe x16 (wired x4);
M.2 slotsN.A.N.A.
Drive bays2.5-inch; (2x) 3.5-inch; 5.25-inch (slim);(2x) 3.5-inch; 5.25-inch (slim)
PSU200 W180/300 W
Weight7.6 kg (16.7 lb)6.5 kg (14.3 lb)
Released20152014
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 G2 SFF and HP ProDesk 490 G2 Microtower

If a more modern desktop is what you are looking for, then you should go with the HP EliteDesk 800 G2 SFF which was released in 2015. The HP ProDesk 490 G2 Microtower is older and entered production in 2014.

If you are looking for the smaller form factor the HP EliteDesk 800 G2 SFF is the right one for you. It is smaller than the HP ProDesk 490 G2 Microtower and will fit more easily under your desk.

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 G2 SFF 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 G2 SFF is using the faster 2133 MT/s RAM. The HP ProDesk 490 G2 Microtower is slower by supporting RAM speeds of only up to 1600 MT/s. Additionally, if you will be needing a lot of RAM, better go for the HP EliteDesk 800 G2 SFF as it has the ability to run 64 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 most users.

Ports

In total the HP EliteDesk 800 G2 SFF has 10 USB ports. The HP ProDesk 490 G2 Microtower is inferior in this regard and packs 8 USB ports. None of the desktop models has a USB 3.1 port (10Gb/s), so if you need a fast connection to your peripherals you will need to look at other models.

Unfortunately, only the HP EliteDesk 800 G2 SFF 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 mode conversion.

None of the models has an HDMI port. If your monitor supports only the HDMI interface, you will need to buy an adapter.

SATA slot is where SSD, HDD and Optical Disk Drives are connected. Each of the two models being compared have 3 SATA slots.

M.2 SSD interface allows you to transfer data with higher speeds compared to the old SATA. Unfortunately, neither the HP EliteDesk 800 G2 SFF, nor the HP ProDesk 490 G2 Microtower has one. However, you can still use a SATA SSD drive which should give you satisfactory performance.

Remark: Make sure that the M.2 slot supports the PCIe (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 6 Gb/s, while the PCIe 3.0 x4 will support speeds up to 32 Gb/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 EliteDesk 800 G2 SFF comes with a decent 200 Watt PSU, but the HP ProDesk 490 G2 Microtower has a more powerful one rated at 300 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.

Motherboard

HP_EliteDesk_800_G2_SFF_motherboard.jpg motherboard layoutHP_ProDesk_490_G2_Microtower_motherboard.jpg motherboard layout

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