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Gigabyte MW83-RP0 Workstation Board vs ASRock W790 WS R2.0

The Gigabyte MW83-RP0 is the board for a single-socket workstation that needs maximum memory and PCIe headroom: 8-channel DDR5 up to 4TB, five Gen5 x16 slots and 112 CPU lanes. The ASRock W790 WS R2.0 is the more flexible, faster-clocked option for a smaller build, with four Gen5 x16 slots, Gen5 M.2 and memory overclocking support. Build quality is comparable at this tier, but the Gigabyte's server-grade BMC and SlimSAS storage routing suit dense, always-on workstations, while the ASRock suits a single fast CPU with a few GPUs.

  • Choose the Gigabyte MW83-RP0 if you need 8-channel memory near 4TB, five Gen5 x16 slots, or remote management through the ASPEED BMC.
  • Choose the ASRock W790 WS R2.0 if you want a simpler single-CPU build with Gen5 M.2, memory overclocking and a standard Extended ATX chassis fit.

Prices

  • Gigabyte MW83-RP0 Workstation Board: $831.99 at Newegg.com (checked today)
  • ASRock W790 WS R2.0: $504.99 at Newegg.com (checked today)
  • Difference: the ASRock W790 WS R2.0 is $327.00 cheaper than the Gigabyte MW83-RP0 Workstation Board today
Gigabyte
Gigabyte MW83-RP0 Workstation Board

Gigabyte MW83-RP0 Workstation Board

$831.99at Newegg.comChecked 1 h ago
See all prices and details
Visit Newegg.com
Pros
  • Eight memory channels and up to 4TB of RDIMM capacity
  • Five PCIe Gen5 x16 slots for multi-GPU and add-in cards
  • Dual 10GbE and a BMC for out-of-band management
  • SlimSAS connectors route eight SATA drives without add-in cards
Cons
  • CEB dimensions limit chassis choice
  • M.2 slots are Gen4, not Gen5
  • Full feature set needs a Xeon W-3500/3400 CPU
  • Memory tops out at 4800 MT/s
ASRock
ASRock W790 WS R2.0

ASRock W790 WS R2.0

$504.99at Newegg.comChecked 1 h ago
See all prices and details
Visit Newegg.com
Pros
  • Gen5 M.2 slot for the fastest NVMe drives
  • Memory overclocking up to 6800 MHz
  • Extended ATX fits many standard workstation cases
  • Supports both Xeon W-3400 and W-2400 CPUs
Cons
  • Quad-channel memory and 2TB ceiling
  • Only one 10GbE port
  • No BMC or remote management listed
  • Four Gen5 x16 slots versus five

What separates them

Gigabyte MW83-RP0 Workstation BoardASRock W790 WS R2.0
Form factorCEB, 304.8 x 266.7 mmExtended ATX
Memory channels and capacity8-channel DDR5 RDIMM, up to 4TBQuad-channel DDR5, up to 2TB
Memory speed4800 MT/s at 1DPC, 4400 at 2DPCUp to 6800 MHz overclocked
PCIe Gen5 x16 slots54
M.2 storage2 x Gen4 x4 from PCHGen5 x4
Remote managementASPEED AST2600 BMC with GSM CLINone listed
Networking2 x 10GbE (Intel X710-AT2)1 x 10GbE (Aquantia)
CPU supportXeon W-3500/3400 for full function, up to 60 cores, 385WXeon W-3400 and W-2400 series

Price history

$831.99$504.99
Nov 9Nov 10
  • Gigabyte MW83-RP0 Workstation Board: lowest $730.00 on Nov 10 at Made-in-China.com.
  • ASRock W790 WS R2.0: lowest $504.99 on Nov 10 at Newegg.com.

Prices at every store

Gigabyte MW83-RP0 Workstation Board

  • Newegg.comNew

    In stock

    $831.99Free shippingChecked 1 h ago
    Visit Newegg.com
  • Central ComputersNew

    In stock

    $839.99+ $36.60 shippingChecked 1 h ago
    Visit Central Computers
  • Made-in-China.comNew

    Availability unknownMade for another market

    $730.00Checked 1 h ago
    Visit Made-in-China.com
  • Newegg BusinessNew

    Availability unknown

    $831.99Checked 1 h ago
    Visit Newegg Business

Also available at

  • WalmartCheck price at Walmart
All 10 stores and price history →

ASRock W790 WS R2.0

  • Newegg.comNew

    In stock

    $504.99Free shippingChecked 1 h ago
    Visit Newegg.com
  • Newegg BusinessNew

    In stock

    $504.99Free shippingChecked 1 h ago
    Visit Newegg Business
  • CompSourceNew

    Availability unknown

    $508.68Checked 1 h ago
    Visit CompSource
  • Beach AudioNew

    Availability unknown

    $527.06Checked 1 h ago
    Visit Beach Audio
All 12 stores and price history →

Specs compared

SpecGigabyte MW83-RP0 Workstation BoardASRock W790 WS R2.0
Form factorCEBExtended ATX
Memory typeDDR5 RDIMMDDR5, DDR5 SDRAM
Memory speedUp to 4800 MT/s6800 MHz (O.C.)
Memory Slots88
Motherboard Socket TypeLGA 4677LGA4677 Socket-E
Motherboard ChipsetIntel W790Intel W790
Motherboard Form FactorCEBExtended ATX
Motherboard ModelMW83-RP0W790 WS R2.0
ManufacturerGigabyteASRock
Socket TypeLGA 4677LGA4677 Socket-E
Motherboard CompatibilityATXExtended ATX
Integrated GraphicsYesCPU Dependent Video
Show all 40 specsShow fewer specs
SpecGigabyte MW83-RP0 Workstation BoardASRock W790 WS R2.0
RAM TypeDDR5DDR5
RAM Maximum Capacity256 GB2 TB
RAM SpeedUp to 4800 MT/s (RDIMM)6800 MHz (O.C.)
RAM Number Of Slots88
RAM ECC SupportYes (RDIMM)Yes
Max Memory Capacity256 GB2 TB
Board dimensions304.8 x 266.7—
CPU socket1 x LGA 4677—
ChipsetIntel® W790—
DIMM slots

Questions and answers

Which board is better for a multi-GPU workstation?
The Gigabyte, with five Gen5 x16 slots and 112 CPU lanes. The ASRock has four Gen5 x16 slots, which is enough for most two- or three-GPU builds.
Which supports more memory?
The Gigabyte, with 8-channel DDR5 RDIMM support up to 4TB. The ASRock is quad-channel and tops out at 2TB.
Is the ASRock faster for memory?
Yes, if you overclock. It lists DDR5 up to 6800 MHz, while the Gigabyte runs 4800 MT/s at one DIMM per channel and 4400 at two.
Do I need the Gigabyte's BMC?
Only if you want remote management and monitoring without an OS, such as a headless lab or render node. The ASRock has no BMC listed.
Which is easier to fit in a case?
The ASRock's Extended ATX is more common in workstation chassis. The Gigabyte's CEB dimensions are less standard, so check clearance before buying.
Which lasts longer?
Both use 14-layer-class PCBs and server chipsets, so lifespan depends on cooling and PSU quality. The Gigabyte's BMC and dual LAN add redundancy the ASRock lacks.

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8 x DIMM slots
—
LAN ports2 x 10Gb/s LAN (1 x Intel® X710-AT2)—
M.2 slots2 x M.2 (2280), PCIe Gen4 x4, from PCH—
SlimSAS connectors2 x SlimSAS 4i for 8 x SATA, from PCH—
PCIe slots5 x PCIe Gen5 x16 expansion slots—
RAID supportIntel® SATA RAID 0/1/10/5—
P-core CountUp to 60 cores—
Memory Channel8-channel—
DDR5 Memory1DPC 4800MT/s and 2DPC 4400MT/s—
Memory CapacityUp to 4TB—
CPU PCIe 5.0 LanesUp to 112 lanes—
TDPUp to 385W—
ConnectionsUSB-A, RJ45 (LAN)—
Internal ConnectionsSATA—
ProcessorIntel—
No. of Processors1—
Suitable for MiningNo—
Integrated Network CardYes—
Multiple GPU SupportYes—