AirPort Time Capsule
Comparison chart

Model
1st generation (early 2008)
1st generation (early 2008)
2nd generation, part 1 (early 2009)
2nd generation, part 1 (early 2009)
2nd generation, part 2 (mid 2009)
2nd generation, part 2 (mid 2009)
3rd generation (late 2009)
3rd generation (late 2009)
4th generation (mid 2011)
4th generation (mid 2011)
5th generation (mid 2013)
5th generation (mid 2013)
Marketing name
Time Capsule
Time Capsule
Time Capsule
Time Capsule
Time Capsule
Time Capsule
Time Capsule
Time Capsule
Time Capsule
Time Capsule
AirPort Time Capsule
AirPort Time Capsule
Release date
February 29, 2008
February 29, 2008
March 3, 2009
March 3, 2009
July 30, 2009
July 30, 2009
October 20, 2009
October 20, 2009
June 21, 2011
June 21, 2011
June 10, 2013
June 10, 2013
Marketing model number
MB276LL/A
MB277LL/A
MB764LL/A
MB765LL/A
MB765LL/A (same as early 2009)
MB996LL/A
MC343LL/A
MC344LL/A
MD032LL/A
MD033LL/A
ME177LL/A
ME182LL/A
Model number
A1254
A1254
A1302
A1302
A1302
A1302
A1355
A1355
A1409
A1409
A1470
A1470
Hard drive
500 GB
1 TB
500 GB
1 TB
1 TB
2 TB
1 TB
2 TB
2 TB
3 TB
2 TB
3 TB
Original price
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (smaller hard drive model) / US$499 (larger hard drive model)
US$299 (2TB) / US$399 (3TB)
US$299 (2TB) / US$399 (3TB)
Guest networking
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
802.11a/b/g/n 2.4 GHz / 5 GHz bands
Single-band operation
Single-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Dual-band operation
Internal Wi-Fi
Marvell
Marvell
Atheros AR9220/AR9223
Atheros AR9220/AR9223
Atheros AR9220/AR9223
Atheros AR9220/AR9223
Marvell
Marvell
Broadcom BCM4331
Broadcom BCM4331
Broadcom BCM4360
Broadcom BCM4360
Standards
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft)
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft)
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft)
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft)
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft)
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n (draft)
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n
802.11 DSSS 1 & 2 Mbit/s standard, 802.11a/b/g/n
802.11 DSSS 1 & 2 Mbit/s standard, 802.11ac (draft)/a/b/g/n
802.11 DSSS 1 & 2 Mbit/s standard, 802.11ac (draft)/a/b/g/n
Data link protocol
Gigabit Ethernet, IEEE 802.11a/b/g/n (draft)
Gigabit Ethernet, IEEE 802.11a/b/g/n (draft)
Gigabit Ethernet, IEEE 802.11a/b/g/n (draft)
Gigabit Ethernet, IEEE 802.11a/b/g/n (draft)
Gigabit Ethernet, IEEE 802.11a/b/g/n (draft)
Gigabit Ethernet, IEEE 802.11a/b/g/n (draft)
Gigabit Ethernet, IEEE 802.11a/b/g/n
Gigabit Ethernet, IEEE 802.11a/b/g/n
Gigabit Ethernet, IEEE 802.11a/b/g/n
Gigabit Ethernet, IEEE 802.11a/b/g/n
Gigabit Ethernet, IEEE 802.11ac (draft)/a/b/g/n
Gigabit Ethernet, IEEE 802.11ac (draft)/a/b/g/n
Network / transport protocol
Bonjour, IPsec, L2TP, PPTP
Bonjour, IPsec, L2TP, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP
Bonjour, DHCP, DNS, IPsec, L2TP, PPPoE, PPTP

Question: What are the wifi capabilities of the AirPort Time Capsule?
Answer: 802.11ac was supported in the 5th generation of the AirPort Time Capsule.