SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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ASRock Rack
ATX workstation board for LGA 1700 CPUs with four DDR5 4400 ECC slots up to 192 GB, one PCIe 5.0 x16, one PCIe 5.0 x8, two PCIe 4.0 x4, dual M.2, five SATA 6.0 Gb/s and four 1 GbE ports
The ASRock Rack W680 WS is an ATX server motherboard that accepts 12th, 13th and 14th Gen Intel Core processors in an LGA 1700 socket. Four 288‑pin DDR5 slots run at 4400 MT/s and support up to 192 GB of ECC or non‑ECC UDIMM. The Intel W680 chipset provides the platform foundation for professional workloads.
One PCIe 5.0 x16 slot and one PCIe 5.0 x8 slot share CPU lanes, so the x16 slot drops to x8 when the x8 slot is populated. Two additional PCIe 4.0 x4 slots connect through the CPU and PCH respectively. Dual M.2 M‑key sockets accept 2280, 2260, 2242 and 2230 drives at PCIe 4.0 x4, while five SATA 6.0 Gb/s ports handle traditional storage. Four Intel I210 1 GbE ports, COM, VGA, HDMI, DisplayPort and two USB 3.2 Gen 1 Type‑A ports complete the rear I/O.
The board is rated for processors with a 125 W thermal design power, setting the cooling target for continuous load. Memory runs at the specified 4400 MT/s without overclock headroom, and ECC correction operates continuously to maintain data integrity. Four 1 GbE links provide steady network throughput without the burst variability of higher‑speed interfaces. The shared PCIe lane arrangement means sustained GPU and add‑in card bandwidth divides predictably when both primary slots are occupied.
| Brand | AsRock Rack |
|---|---|
| Model | W680 WS |
| CPU Socket Type | LGA 1700 |
| CPU Type | 12th Gen Intel Core i3 / 12th Gen Intel Core i5 / 12th Gen Intel Core i7 / 12th Gen Intel Core i9 / 13th Gen Intel Core i3 / 13th Gen Intel Core i5 / 13th Gen Intel Core i7 / 13th Gen Intel Core i9 / 14th Gen Intel Core i3 / 14th Gen Intel Core i5 / 14th Gen Intel Core i7 / 14th Gen Intel Core i9 |
| Number of Processor Support | 1 |
| CPU Features | Thermal Design Power 125W |
| North Bridge | Intel W680 |
| Memory Slots | 4 x DDR5 288-pin |
| Memory Standard | DDR5 4400 |
| Maximum Memory Supported | 192GB |
| ECC Supported | Yes |
| PCI Express 5.0 x16 | SLOT6: PCIe5.0 x16* [CPU] *SLOT6 share lanes with SLOT4. SLOT6 will switch to x8 when SLOT4 is populated |
| PCI Express x8 | SLOT4: PCIe5.0 x8* [CPU] |
| PCI Express x4 | SLOT7: PCIe4.0 x4 [CPU] SLOT2: PCIe4.0 x4 [PCH] |
| SATA | 5 x SATA 6.0Gb/s |
| M.2 | 1 M-key (PCIe4.0 x4); support 2280/2260/2242/2230 form factor [PCH] 1 M-key (PCIe4.0 x4); support 2280/2260/2242/2230 form factor [PCH] |
| LAN Chipset | Intel I210 |
| LAN Speed | 10/100/1000Mbps |
| Max LAN Speed | 4 x 1Gbps |
| Back I/O Ports | 1 x COM (Serial Port) / 1 x D-Sub / 1 x DisplayPort / 1 x HDMI / 2 x USB 3.2 Gen 1 Type-A / 3 x Audio Jacks / 4 x LAN (RJ45) |
| Onboard USB | USB 3.2 (Gen1) Header: 2 header (19-pin, 4 USB3.2 Gen1) USB 2.0 Header: 1 header (9-pin, 2 USB2.0) |
| Other Connectors | Power Connector: 1 (24-pin, ATX main power), 3 (8-pin, ATX 12V) Auxiliary Panel Header: 1 (18-pin): chassis intrusion, system fault LED, LAN1/LAN2 activity LED, locate, SMBus System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED VGA header: 1 Speaker Header: 1 (4-pin) Buzzer: 1 Fan Header: 7 (4-pin) Thermal Sensor Header: 1 TPM Header: 1 (13-pin, SPI) SGPIO Header: 1 Clear CMOS: 1 (contact pads) Front Lan LED Connector: 1 NMI Header: 1 |
| BIOS Feature | AMI 256Mb SPI Flash ROM Plug and Play, ACPI 6.4 and above compliance wake up events, SMBIOS 2.8 and above, ASRock Rack Instant Flash |
| Form Factor | ATX |
| Dimensions (W x L) | 12.0" x 9.6" |
| Shipping weight | 1.16 kg |
| Package size | 349 × 298 × 70 mm |
The board supports up to 192GB of DDR5 4400 across its four 288-pin slots with ECC capability.
The LGA 1700 socket is rated for processors with a 125W thermal design power.
Compatible CPUs include 12th, 13th and 14th Gen Intel Core i3, i5, i7 and i9 models listed in the support table.
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