United States securities and exchange commission logo May 6, 2024 Gleb Budman Chief Executive Officer Backblaze, Inc. 201 Baldwin Ave. San Mateo, CA 94401 Re: Backblaze, Inc. Registration Statement on Form S-3 Filed May 1, 2024 File No. 333-279033 Dear Gleb Budman: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Kyle Wiley at 202-344-5791 or Jan Woo at 202-551-3453 with any questions. Sincerely, Division of Corporation Finance Office of Technology cc: Jeffrey Vetter