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Colorful CVN Z790D5 Ark Frozen V20 specifications and in-depth review

Colorful CVN Z790D5 Ark Frozen V20

Manufacturer: Colorful

The Colorful CVN Z790D5 Ark Frozen V20 is an ATX form factor motherboard built around Intel's Z790 chipset and the LGA 1700 socket, making it compatible with current-generation Intel processors. It supports DDR5 memory across four slots, with a maximum capacity of 192GB and standard speeds up to 4800 MHz, while overclocked configurations can reach 7800 MHz across two memory channels. The board includes RGB lighting, an easy BIOS reset mechanism, and straightforward overclocking support, rounding out a feature set aimed at enthusiast desktop builds.

On the connectivity side, the board offers Wi-Fi 6E and Bluetooth 5.3 for wireless options, alongside a single RJ45 port for wired networking. Rear I/O includes three USB 3.2 Gen 2 Type-A ports, two USB 3.2 Gen 1 Type-A ports, four USB 2.0 ports, and one USB 3.2 Gen 2x2 port, plus HDMI 2.0 and a DisplayPort output. Storage expansion is handled by four M.2 sockets and four SATA 3 connectors, with support for RAID 0, 1, 5, and 10. Expansion slots consist of one PCIe 5.0 x16 slot, one PCIe 4.0 x16 slot, and two PCIe x1 slots, while the audio subsystem delivers 7.1-channel sound with six audio connectors and an S/PDIF output. The board carries a three-year warranty.

Pros
  • Four M.2 sockets provide ample high-speed storage expansion without consuming SATA ports
  • DDR5 memory support with overclocked speeds up to 7800 MHz allows for significant memory bandwidth headroom
  • Wi-Fi 6E and Bluetooth 5.3 are both built in, eliminating the need for separate wireless adapters
  • Both PCIe 5.0 x16 and PCIe 4.0 x16 slots are present, accommodating current-generation graphics and add-in cards
  • RAID 0, 1, 5, and 10 support gives meaningful flexibility for storage redundancy or performance configurations
  • A clear CMOS button and built-in overclocking support simplify BIOS management and system tuning
Cons
  • No USB Type-C ports on the rear I/O beyond the single Gen 2x2 connector, with no USB 4 or Thunderbolt support
  • Dual BIOS is absent, leaving no hardware fallback in the event of a corrupted firmware update
  • ECC memory is not supported, limiting reliability options for workloads that benefit from error correction
  • No TPM connector is present, which may complicate hardware-based security configurations
  • Maximum native RAM speed is 4800 MHz, requiring XMP or manual overclocking profiles to reach higher rated speeds
Who is this for?

This board is a solid fit for enthusiast desktop builders who want to take advantage of DDR5 memory and PCIe 5.0 with room to grow, particularly those planning high-bandwidth storage setups using all four M.2 sockets simultaneously. The built-in Wi-Fi 6E and Bluetooth 5.3 make it practical for clean, cable-reduced builds where wireless connectivity is a priority. Users who intend to experiment with overclocking will appreciate the native support for RAM speeds up to 7800 MHz and the straightforward BIOS reset option, while those needing flexible RAID configurations across RAID 0, 1, 5, and 10 will find the storage options genuinely useful for multi-drive setups.

Who is this NOT for?

This board is not well-suited for users who require Thunderbolt or USB 4 connectivity, as neither is available, making it a poor match for professionals relying on high-speed external storage or display daisy-chaining through those interfaces. The absence of dual BIOS means it is a less forgiving choice for users who frequently push firmware updates or aggressive overclocking profiles, where a recovery BIOS would provide a meaningful safety net. It is also not appropriate for workstation or server-adjacent use cases that depend on ECC memory for data integrity, nor for environments where a hardware TPM module is required for security compliance.

General info:

CPU socket LGA 1700
chipset Z790
form factor ATX
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
Has Bluetooth ✓
Bluetooth version 5.3
HDMI version HDMI 2.0
Easy to overclock ✓
has RGB lighting ✓
Easy to reset BIOS ✓
multi-GPU 4
Has dual BIOS ✕
has aptX ✕
CPU sockets 1
Has integrated graphics ✕
warranty period 3 years
height 244 mm
width 305 mm
Has integrated CPU ✕

The Colorful CVN Z790D5 Ark Frozen V20 is built around the LGA 1700 socket and Z790 chipset, housed in a standard ATX form factor measuring 305 mm wide and 244 mm tall, accommodating a single CPU with no integrated processor or graphics. Wireless connectivity spans Wi-Fi 4 through Wi-Fi 6E along with Bluetooth 5.3, though aptX audio codec support is not included. The board features RGB lighting, an easy BIOS reset via clear CMOS, and straightforward overclocking support, while multi-GPU configurations of up to four cards are supported. Video output is handled through an HDMI 2.0 connector, and dual BIOS is not present. ECC memory is not supported, and the board carries a three-year warranty.

Memory:

maximum memory amount 192GB
RAM speed (max) 4800 MHz
overclocked RAM speed 7800 MHz
memory slots 4
DDR memory version 5
memory channels 2
Supports ECC memory ✕

This board uses DDR5 memory across four slots arranged in a dual-channel configuration, supporting a maximum capacity of 192GB. Standard RAM operates at up to 4800 MHz, while overclocked profiles can push speeds as high as 7800 MHz. ECC memory is not supported.

Ports:

USB 3.2 Gen 2 ports (USB-A) 3
USB 3.2 Gen 1 ports (USB-A) 2
USB 3.2 Gen 2 ports (USB-C) 0
USB 3.2 Gen 1 ports (USB-C) 0
USB 2.0 ports 4
USB 3.2 Gen 2x2 ports 1
USB 4 40Gbps ports 0
USB 4 20Gbps ports 0
Thunderbolt 4 ports 0
Thunderbolt 3 ports 0
has an HDMI output ✓
DisplayPort outputs 1
RJ45 ports 1
Has USB Type-C ✓
eSATA ports 0
DVI outputs 0
has a VGA connector ✕
PS/2 ports 0

The rear I/O panel provides a broad range of USB connectivity, including three USB 3.2 Gen 2 Type-A ports, two USB 3.2 Gen 1 Type-A ports, four USB 2.0 ports, and one USB 3.2 Gen 2x2 port with a Type-C connector; there are no USB 3.2 Gen 2 or Gen 1 Type-C ports, and USB 4 and Thunderbolt 3 or 4 are absent. Display output is covered by an HDMI port and one DisplayPort output, while DVI, VGA, and eSATA ports are not included. Networking is handled by a single RJ45 port, and there are no PS/2 connectors.

Connectors:

USB 3.2 Gen 1 ports (through expansion) 2
USB 2.0 ports (through expansion) 4
SATA 3 connectors 4
fan headers 5
USB 3.0 ports (through expansion) 2
M.2 sockets 4
Has TPM connector ✕
U.2 sockets 0
Has mSATA connector ✕
SATA 2 connectors 0

Internal connectivity is well-stocked, with four M.2 sockets and four SATA 3 connectors available for storage devices, while SATA 2, mSATA, and U.2 sockets are absent. Expansion headers allow for two additional USB 3.2 Gen 1 ports, two USB 3.0 ports, and four USB 2.0 ports through compatible front-panel connectors. Cooling is managed through five fan headers, and a TPM connector is not present on this board.

Expansion slots:

PCIe 4.0 x16 slots 1
PCIe 5.0 x16 slots 1
PCIe 3.0 x16 slots 0
PCIe x1 slots 2
PCI slots 0
PCIe 2.0 x16 slots 0
PCIe x4 slots 0
PCIe x8 slots 0

The board offers a total of four expansion slots, led by one PCIe 5.0 x16 slot and one PCIe 4.0 x16 slot for graphics or high-bandwidth add-in cards, complemented by two PCIe x1 slots for smaller peripherals. PCIe 2.0 x16, PCIe 3.0 x16, PCIe x4, PCIe x8, and legacy PCI slots are not present.

Audio:

audio channels 7.1
Has S/PDIF Out port ✓
audio connectors 6

The onboard audio supports 7.1-channel surround sound and is equipped with six analog audio connectors alongside an S/PDIF output port for digital audio passthrough to external receivers or DACs.

Storage:

Supports RAID 1 ✓
Supports RAID 10 (1+0) ✓
Supports RAID 5 ✓
Supports RAID 0 ✓
Supports RAID 0+1 ✕

The board supports RAID 0, 1, 5, and 10 configurations for flexible storage array setups, whether prioritizing speed, redundancy, or a combination of both. RAID 0+1 is not supported.

Final Verdict

The Colorful CVN Z790D5 Ark Frozen V20 is a capable ATX motherboard that makes a coherent case for enthusiast Intel builds centered on current-generation technology. Its combination of PCIe 5.0 support, four M.2 sockets, and DDR5 memory with overclocking headroom up to 7800 MHz gives it genuine utility for users who want a platform with room to push hardware rather than simply meet baseline requirements. Wi-Fi 6E and Bluetooth 5.3 are thoughtful inclusions, and broad RAID support adds practical value for multi-drive configurations. The lack of Thunderbolt, USB 4, dual BIOS, and ECC memory means it is best positioned as an enthusiast consumer board rather than a professional or workstation solution, and prospective buyers with those specific needs should look elsewhere. For desktop builders prioritizing storage density, wireless connectivity, and overclocking flexibility within the LGA 1700 ecosystem, this board covers the essentials with few notable gaps.

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