Windows ISO Checksums
6 months ago
The website below gather all Windows ISO checksums. It seems reliable.
Windows 7 Ultimate with Service Pack 1 (x64) - DVD (English)
Release Date: 2011-05-12 14:46:21
SHA256: 36f4fa2416d0982697ab106e3a72d2e120dbcdb6cc54fd3906d06120d0653808
SHA1: 36ae90defbad9d9539e649b193ae573b77a71c83
MD5: c9f7ecb768acb82daacf5030e14b271e