STT Seoul 1

Latest Podcast
345-26
Under Construction
New facility under construction
Operated by:

STT Seoul 1

Year Planned: 2026
PUE: 1.3

Situated within Gasan-dong, Geumcheon-gu, STT Seoul 1 is strategically located near Mokdong. The facility has convenient access to nearby substations, as well as critical telecommunications, subway stations (Gasan Digital Complex and Doksan), logistics and knowledge industry centres.

Power


  • 2 diverse and redundant 22.9kV utility power supplies
  • Distributed Redundant Uninterrupted Power Supply (UPS)
  • N+1 Emergency Generators equipped with underground fuel tank
  • providing up to 24hrs of support at full load
  • Designed to UTI Tier III and TIA-942 Rated-3 standard
  • Concurrently maintainable
  • Fault tolerant

Map and Nearby Locations:

345-26
ST Telemedia Global Data Centres (STT GDC) Sites
Nearby Facilities

Sites within 15 miles of STT Seoul 1

Distance Site About
0.21 miles KT Gasan IDC
0.22 miles Koramco: K Square DC
In 2021, Koramco funded the development of the K Square Data Center, an 11-story facility spanning 41,215 square meters (443,635 sq ft), located in Seoul's Gasan Digital Complex.
0.33 miles SK Broadband: IDC Gasan
Opened in 2021, the Gasan data center is a 15-story facility—10 above ground and five below—spanning 69,300 square meters (745,940 square feet).
0.63 miles Ehost IDC Sould
0.63 miles LG CNS Seoul Gasan
0.66 miles KINX: Gasan IDC
As the location of the network PoPs of major cloud service providers based in Korea and abroad, Gasan IDC provides a multi/hybrid cloud environment via CloudHub.
0.74 miles DCI: Seoul SEL01
DCI Data Centers (DCI) and Daelim Co have commenced construction of a data center in Seoul, South Korea, marking DCI's first facility in the country through a joint venture partnership.
1.00 miles DreamMark1: Guro IDC
Dreammark One offers colocations services from a 1,200-rack facility in Guro, Seoul.
2.21 miles KT: Guro DC
KT Cloud has been confirmed as the operator of the new Guro Data Center, currently under development in Seoul, South Korea.
3.09 miles Y-eDC Data Center
The Y-eDC Data Center Development Project will consist of an eight-story facility with three underground levels, encompassing 1,385 square meters (14,900 square feet) of space.
3.87 miles KT Mok-dong IDC 1
3.89 miles KT Yeouido IDC
3.96 miles Epoch: Yangpyeongdong
Construction of Actis's second Seoul data centre began in the second half of 2022, following its June 2021 announcement.
3.97 miles KT Mok-dong IDC 2
4.28 miles LG CNS Seoul FKI Tower
4.42 miles Okestro: Yeouido, Seoul
Okestro and DC Korea - 5MW sovereign AI data center,
Yeouido, Seoul, South Korea.
4.93 miles Naver: Bucheon AI Data Center
Naver's Bucheon AI Data Center (Center 1) is located on the 482th to 9th floors of the existing R&D Center in Sosa-ro 13 (Chunui-dong). The total floor area is about 4,875 sqm.
5.99 miles KT Yongsan IDC
6.33 miles Equinix Seoul SL1
6.55 miles KINX: GwaCheon IDC
The “Network Platform Internet Data center" is certified with global standards and operated by the largest L2 Network provider in Korea.
6.68 miles Gwacheon Data Centre
Gabia has begun construction on a combined office and data center facility in Gwacheon City, Gyeonggi Province. The project, which broke ground in the first quarter of 2022, was scheduled for completion in 2024.
6.81 miles LG Uplus Pyeongchon 2
6.92 miles KINX: Pyeongchon IDC
6.96 miles LG Uplus Pyeongchon
7.11 miles SK Broadband: IDC Seocho
7.33 miles LG CNS Sangam DDMC
7.44 miles LG CNS Seoul Sangam IT
7.45 miles KINX: Sangam1 IDC
KINX Sangam1 features world-class safety and security systems. It is designed to accommodate both high- and medium-density clients efficiently.
7.52 miles Digital Seoul 1 (ICN10)
7.57 miles Samsung SDS: Sangam ICT
7.58 miles KINX: Sangam2 IDC
7.60 miles KT: Bucheon Peach IDC
KT will operate a new data center in Bucheon, South Korea. Following the demolition of existing buildings that began in February 2023, the Bucheon Data Centre is expected to complete construction in July 2026.
7.68 miles LG Uplus SEOCHO1
7.81 miles Epoch: Pyeongchon
The Pyeongchon Data Centre, developed through a partnership between Actis and GS Group, is situated in Pyeongchon, South Korea.
7.82 miles Koscom: Anyang IDC
Koscom (Korea Securities Computing Corporation) has broken ground on its Anyang IDC Data Center in South Korea.
8.38 miles Telehouse Seoul
Telehouse Seoul opened in 2000.
8.50 miles Digital Edge Sejong Gangnam
The SEL1 data center is strategically located in the Gangnam district.
8.51 miles CapitaLand: Korea 1
CapitaLand's Korea 1 data center is located adjacent to Seoul’s key business district and Sangam DC cluster.
8.58 miles CapitaLand: Korea 2
Situated next to the CapitaLand Korea Data Center 1, it has 3,456 racks in 12 data halls within 7-storey building.
8.59 miles Empyrion: Gangnam KR1
Strategically located in Gangnam, Seoul, South Korea, the KR1 Gangnam Data Centre offers close proximity to the headquarters of major technology and Fortune 500 companies.
8.72 miles Hyperscale Data Center Request Dataset
AWS is reportedly conducting feasibility studies for a data center in Goyang City, Gyeonggi Province.
8.76 miles Equinix SL3x
8.78 miles Equinix SL2x
8.78 miles Equinix SL4
8.85 miles LG Uplus: Nonhyeon Center
The Nonhyeon Center, located in Seoul's Gangnam-gu district, was LG U+'s first data center when it opened its initial phase in 1998.
8.96 miles KT Gangnam IDC
9.20 miles ESR Group: Bupyeong KR1
ESR, an APAC real estate owner and manager, has commenced construction on its first South Korean data centre, KR1, in partnership with Seoul-based Wide Creek Asset Management (Wide Creek AMC).
9.20 miles Princeton PDG: Bupyeong KR1
ESR, an APAC real estate owner and manager, has commenced construction on its first South Korean data centre, KR1, in partnership with Seoul-based Wide Creek Asset Management (Wide Creek AMC).
9.28 miles KINX: Dogok IDC
9.91 miles Digital Edge SEL2
Located in Bupyeong-gu, Incheon, the campus is well situated with easy access to Incheon International Airport
9.91 miles Stack: Incheon ICN01A
STACK's ICN01A data center is located in the western Seoul suburb of Incheon.
9.92 miles Digital Edge: SEL3
Digital Edge (Singapore), with support from global infrastructure investor Stonepeak, started construction of SEL3 in May 2025.
9.92 miles LG CNS Incheon Center
10.01 miles NTT Seoul
11.13 miles DreamMark1: Incheon IDC
DreamMarkOne Introduces 22KW High-Density Infrastructure Service at Incheon Data Center in 2024.
11.96 miles Hyperscale Data Center Request Dataset
12.55 miles IGIS AMC: Choji-dong
The data center will feature two basement levels and nine above-ground floors, encompassing a substantial gross floor area of approximately 49,591 square meters.
12.71 miles SK Broadband: Pangyo Campus
In 2025, SK C&C, the IT subsidiary of South Korean conglomerate SK Group, sold its data center business to its sister company, SK Broadband.
12.74 miles Kakao: Ansan
Kakao, the South Korean Internet company, has launched its first self-owned data center in Ansan, Gyeonggi Province.
13.40 miles Carrier-Neutral Data Center Request Dataset
This facility is part of SC Zeus Samsong Data Center project in Seoul.
13.49 miles SC Zeus: Samsong IDC
13.89 miles KINX: Bundang1 IDC
13.89 miles Hostway Bundang
14.63 miles DCI: Seoul SEL02
DCI Data Centers is partnering with South Korean real estate firm Koramco to build a new data center near Seoul.
14.78 miles SK Broadband: IDC Ilsan
A 10-story building with three underground levels and a total floor area of 30,740m2.
15.28 miles SK Broadband: IDC Ilsan 2
SK Broadband has a second data center in Ilsan, referred to as 'ILSAN #2,' which was a warehouse converted into a data center.
15.52 miles KT Bundang IDC
15.73 miles SK Broadband: IDC Bundang
15.75 miles KINX: Bundang2 IDC
17.02 miles Magna PFV: Deok-i-dong
Magna PFV, a construction affiliate of South Korean conglomerate GS Group, has secured final approval for its data center project in Goyang City's Deok-i-dong district.
17.02 miles LG CNS: Jukjeon (Pacific Sunny)
The Jukjeon Data Center, located in the eastern part of the Seoul metropolitan area, will be operated by LG CNS.
17.66 miles CapitaLand: Hanam 2
Hanam 2 is located 150 meters from Hanam Data Center 1. The facility contains 2,016 racks distributed across 7 data halls within a 10-story building
17.76 miles CapitaLand: Hanam 1
CapitaLand is building a data center in Gyeonggi-do, South Korea. The facility houses 1,932 racks across 7 data halls within a 10-story building.
17.79 miles Samsung SDS: Suwon ICT
A data center, spanning 35,005 square meters, opened in 2007 in Maetan-dong, Yeongtong-gu, Suwon City, Gyeonggi-do.
17.94 miles Hanam Data Centre
Spanning 41,919 sqm (451,212 sq ft) across 12 stories, Kakao Corp rents 92 percent of the data center with LG Group's LG CNS Co. renting the remaining eight percent.
17.96 miles Kakao: Hanam
The facility spans 41,919 square meters (451,212 square feet) across 12 stories. Kakao Corp rents 92 percent of the facility, while LG Group's LG CNS Co.
17.97 miles LG CNS: Hanam
The facility spans 41,919 square meters (451,212 square feet) across 12 stories. Kakao Corp rents 92 percent of the facility, while LG Group's LG CNS Co.
18.20 miles Digital Seoul 2 (ICN11)
Digital Realty acquired a 5-acre land parcel in Seoul in 2021, with initial plans to develop a 64MW data center slated for completion in 2023.
18.53 miles Kakao: Namyangju
Korean Internet company Kakao plans to invest KRW 600 billion ($442.3 million) to construct a new AI-focused data center in Namyangju, Gyeonggi province.

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Operating Company

Operated by:

ST Telemedia Global Data Centres (STT GDC) is one of the fastest-growing data centre providers with a global platform serving as a cornerstone of the digital ecosystem that helps the world to connect. Powering a sustainable digital future, STT GDC operates across Singapore, the UK, Germany, India, Thailand, South Korea, Indonesia, Japan, the Philippines, Malaysia and Vietnam, providing businesses an exceptional foundation that is built for their growth anywhere. For more information, visit https://www.sttelemediagdc.com/

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