D-Link DIR-2640 A1

The D-Link DIR-2640 is a Wi-Fi 5 Wave 2 router based on MediaTek MT7621A with 128 MB flash and 256 MB RAM. It has 5 Gigabit Ethernet ports, one USB 2.0 port, one USB 3.0 port and dual MediaTek MT7615N radios, capable of up to 4×4 streams on each band.

Brand	Model	Version	Current Release	OEM Info	Forum Search	Technical Data
D-Link	DIR-2640	A1	23.05.0	https://us.dlink.com/en/products/dir-2640-smart-ac2600-high-power-wi-fi-gigabit-router	DIR-2640	View/Edit data

Model	Version	SoC	CPU MHz	Flash MB	RAM MB	WLAN Hardware	WLAN2.4	WLAN5.0	100M ports	Gbit ports	Modem	USB
DIR-2640	A1	MediaTek MT7621AT	880	128NAND	256	MediaTek MT7615N	b/g/n	a/n/ac	-		-	1x 2.0, 1x 3.0

Model	Version	Current Release	Firmware OpenWrt Install	Firmware OpenWrt Upgrade	Firmware OEM Stock
DIR-2640	A1	23.05.0	https://downloads.openwrt.org/releases/23.05.0/targets/ramips/mt7621/openwrt-23.05.0-ramips-mt7621-dlink_dir-2640-a1-squashfs-factory.bin	https://downloads.openwrt.org/releases/23.05.0/targets/ramips/mt7621/openwrt-23.05.0-ramips-mt7621-dlink_dir-2640-a1-squashfs-sysupgrade.bin	https://support.dlink.com/ProductInfo.aspx?m=DIR-2640-US

→ Install OpenWrt (generic explanation)

OpenWrt can't be installed through the stock firmware on this router, as it only accepts properly signed and encrypted files in D-Link SHRS format. Use the D-Link Recovery GUI instead to upload the OpenWrt factory image for this router.

General
Brand	D-Link
Model	DIR-2640
Versions	A1
Device Type	WiFi Router
Availability	Available 2020
Comments - general
OpenWrt Support
Supported Since Commit	https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=de768829a5c6cd1c7889ba25c50db07827cfc96c
Supported Since Release	21.02.0
Supported Current Release	23.05.0
Unsupported
Hardware
Bootloader	¿
Target	ramips
System-On-Chip	MediaTek MT7621AT
CPU MHz	880
Flash MB	128NAND
RAM MB	256
Network
Ethernet 100M ports	-
Ethernet 1Gbit ports
Switch	MediaTek MT7621AT
Modem	-
VLAN	Yes
Comments - network ports	1x WAN, 4x LAN

Wireless
WLAN 2.4GHz	b/g/n
WLAN 5.0GHz	a/n/ac
WLAN Hardware	MediaTek MT7615N
Detachable Antennas	-
Comments - WLAN	MU-MIMO
Interfaces
USB ports	1x 2.0, 1x 3.0
SATA ports	-
Serial	¿
JTAG	¿
Comments - USB & SATA ports
Misc
LED count	8
Button count	2
Power supply	12 VDC, 2.5 A
Links
Forum Topic URL
WikiDevi URL	https://wikidevi.wi-cat.ru/D-Link_DIR-2640_rev_A1
OEM device homepage URL	https://us.dlink.com/en/products/dir-2640-smart-ac2600-high-power-wi-fi-gigabit-router
Firmware OEM Stock URL	https://support.dlink.com/ProductInfo.aspx?m=DIR-2640-US
Firmware OpenWrt Install URL	https://downloads.openwrt.org/releases/23.05.0/targets/ramips/mt7621/openwrt-23.05.0-ramips-mt7621-dlink_dir-2640-a1-squashfs-factory.bin
Firmware OpenWrt Upgrade URL	https://downloads.openwrt.org/releases/23.05.0/targets/ramips/mt7621/openwrt-23.05.0-ramips-mt7621-dlink_dir-2640-a1-squashfs-sysupgrade.bin
Edit the underlying data	View/Edit data

MT7615N 5 GHz Problems - see https://forum.openwrt.org/t/openwrt-on-mt7621-mt7615n-devices-with-5ghz-problems/107392

MT7621, MT7621AT, ramips, mips, mips32, 24kc, 128NAND, 256RAM, MT7615N, mt76, vth160, AC2600, mu-mimo, 256-qam, 4x4, wave2, 4ant, 1NIC, 2WNIC, 5port, GigabitEthernet, 802.11abgnac, 2USB, USB2.0, USB3.0, serial, 2button, 12v powered

mt7621 mt7621at ramips mips mips32 24kc 128nand 256ram mt7615n mt76 vth160 ac2600 mu-mimo 256-qam 4x4 wave2 4ant 1nic 2wnic 5port gigabitethernet 802.11abgnac 2usb usb2.0 usb3.0 serial 2button 12v powered

D-Link DIR-2640 A1

Supported Versions

Hardware Highlights

Installation

Debricking

Hardware

Info

Known Issues

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