VNET 6-K

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

WASHINGTON,D.C. 20549

FORM 6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16 UNDER

THESECURITIES EXCHANGE ACT OF 1934

Forthe month of April 2023

CommissionFile Number: 001-35126

VNETGroup, Inc.

GuanjieBuilding, Southeast 1st Floor10# Jiuxianqiao East Road

ChaoyangDistrict

Beijing100016

ThePeople’s Republic of China

(Addressof principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  x            Form 40-F  ¨

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: April 26, 2023

EXHIBIT INDEX

Exhibit99.1

VNETFiles Its Annual Report on Form 20-F for Fiscal Year 2022

BEIJING, April 26, 2023 /PRNewswire/ -- VNET Group, Inc. (NASDAQ: VNET) (“VNET” or the “Company”),‎ a leading carrier- and cloud-neutral Internet data center services provider in China, today announced that it filed its annual report on Form 20-F for the fiscal year ended December 31, 2022 with the Securities and Exchange Commission (the “SEC”) on April 26, 2023 Eastern Time. The annual report on Form 20-F, which contains the Company’s audited consolidated financial statements, can be accessed on the SEC’s website at http://www.sec.gov and on the Company’s investor relations website at https://ir.vnet.com/.

The Company will provide hard copies of its annual report containing the audited consolidated financial statements, free of charge, to its shareholders and ADS holders upon request. Requests should be directed to [email protected] or the Company’s Investor Relations Department at VNET Group, Inc., Guanjie Building Southeast 1st Floor, 10# Jiuxianqiao East Road, Chaoyang District, Beijing 100016, People’s Republic of China.

AboutVNET

VNET Group, Inc. is a leading carrier- and cloud-neutral Internet data center services provider in China. VNET provides hosting and related services, including IDC services, cloud services, and business VPN services to improve the reliability, security, and speed of its customers’ internet infrastructure. Customers may locate their servers and equipment in VNET’s data centers and connect to China’s internet backbone. VNET operates in more than 30 cities throughout China, servicing a diversified and loyal base of over 7,000 hosting and related enterprise customers that span numerous industries ranging from internet companies to government entities and blue-chip enterprises to small- to mid-sized enterprises.

InvestorRelations Contact:

Xinyuan Liu

Tel: +86 (10) 8456-2121

Email: [email protected]