crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

crwdns2944351:0crwdnd2944351:0Airport Time Capsule A1470 Hard Drive Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0firebirdcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Angel

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0
Conclusion
That's just about it - one upgraded Time Capsule.
References: [https://www.ifixit.com/Answers/View/132942/Detailed+Removal+2TB+HD+Plus+Install+4TB+HD+%2B+Formating#answer133484]
[https://www.ifixit.com/Teardown/AirPort+Time+Capsule+A1470+%28Mini%21%29+Teardown/15067]
[https://www.ifixit.com/Teardown/AirPort+Extreme+A1521+Teardown/15044]
References: [post|132942]
[guide|15067]
[guide|15044]