Database Instance Specification

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Last updated: 2026-04-13 15:29:35

This document describes the instance specifications of TencentDB for MySQL, helping you understand the specification information supported by MySQL instances. You can view this document for specific configurations of each specification, or check the purchase page for the latest supported specifications.
cluster edition (cloud disk)
You can refer to this table for the specifications of cluster edition (cloud disk) instances.
Isolation Policy
CPU and Memory
Storage Space
Standard
2-core 4000MB
20GB - 32000GB
﻿
2-core 8000MB
﻿
﻿
2-core 16000MB
﻿
﻿
4-core 8000MB
﻿
﻿
4-core 16000MB
﻿
﻿
4-core 32000MB
﻿
﻿
8-core 16000MB
﻿
﻿
8-core 32000MB
﻿
﻿
8-core 64000MB
﻿
﻿
16-core 32000MB
﻿
﻿
16-core 64000MB
﻿
﻿
16-core 128000MB
﻿
Enhanced
2-core 8000MB
20GB - 32000GB
﻿
2-core 16000MB
﻿
﻿
4-core 8000MB
﻿
﻿
4-core 16000MB
﻿
﻿
4-core 32000MB
﻿
﻿
8-core 16000MB
﻿
﻿
8-core 32000MB
﻿
﻿
8-core 64000MB
﻿
﻿
16-core 32000MB
﻿
﻿
16-core 64000MB
﻿
﻿
16-core 128000MB
﻿
﻿
32-core 64000MB
﻿
﻿
32-core 128000MB
﻿
﻿
32-core 256000MB
﻿
﻿
48-core 128000MB
﻿
﻿
48-core 192000MB
﻿
﻿
64-core 128000MB
﻿
﻿
64-core 256000MB
﻿
﻿
80-core 160000MB
﻿
﻿
80-core 320000MB
﻿
﻿
96-core 192000MB
﻿
﻿
96-core 384000MB
﻿
﻿
112-core 224000MB
﻿
﻿
112-core 448000MB
﻿
﻿
128-core 256000MB
﻿
﻿
128-core 512000MB
﻿
﻿
144-core 288000MB
﻿
﻿
144-core 576000MB
﻿
﻿
160-core 320000MB
﻿
﻿
160-core 640000MB
﻿
﻿
176-core 352000MB
﻿
﻿
176-core 704000MB
﻿
﻿
192-core 384000MB
﻿
﻿
192-core 768000MB
﻿
﻿
384-core 768000MB
﻿
﻿
384-core 1536000MB
﻿
Flagship
2-core 8000MB
20GB - 32000GB
﻿
2-core 16000MB
﻿
﻿
4-core 8000MB
﻿
﻿
4-core 16000MB
﻿
﻿
4-core 32000MB
﻿
﻿
8-core 16000MB
﻿
﻿
8-core 32000MB
﻿
﻿
8-core 64000MB
﻿
﻿
16-core 32000MB
﻿
﻿
16-core 64000MB
﻿
﻿
16-core 128000MB
﻿
﻿
32-core 64000MB
﻿
﻿
32-core 128000MB
﻿
﻿
32-core 256000MB
﻿
﻿
48-core 96000MB
﻿
﻿
48-core 128000MB
﻿
﻿
48-core 192000MB
﻿
﻿
64-core 128000MB
﻿
﻿
64-core 256000MB
﻿
General and Exclusive Two-Node/Three-Node (Local SSD) Instances
The specifications for source instances (two-node/three-node architecture), read-only instances, and disaster recovery instances can be found in this table.
Note:
The maximum storage capacity for instance specifications may vary across different regions. Please refer to the actual purchase page for details.
Isolation Policy
CPU and Memory
Maximum IOPS
Storage Space
General
1-core 1000MB
1200
25GB - 3000GB
﻿
1-core 2000MB
2000
﻿
﻿
2-core 4000MB
4000
﻿
﻿
4-core 8000MB
8000
25GB - 4000GB
﻿
4-core 16000MB
14000
﻿
﻿
4-core 32000MB
18000
﻿
﻿
8-core 16000MB
20000
25GB - 6000GB
﻿
8-core 32000MB
28000
﻿
﻿
8-core 64000MB
36000
﻿
﻿
16-core 32000MB
32000
25GB - 12000GB
﻿
16-core 64000MB
40000
﻿
﻿
16-core 96000MB
40000
﻿
﻿
16-core 128000MB
40000
﻿
﻿
24-core 48000MB
32000
﻿
﻿
24-core 192000MB
60000
﻿
﻿
24-core 244000MB
60000
﻿
﻿
32-core 64000MB
60000
﻿
﻿
32-core 128000MB
72000
﻿
﻿
32-core 256000MB
80000
﻿
﻿
48-core 96000MB
54000
﻿
﻿
48-core 488000MB
120000
﻿
﻿
64-core 128000MB
100000
﻿
﻿
64-core 256000MB
120000
﻿
﻿
80-core 690000MB
140000
﻿
Exclusive
2-core 16000MB
8000
25GB - 4000GB
﻿
4-core 16000MB
10000
﻿
﻿
4-core 24000MB
13000
﻿
﻿
4-core 32000MB
16000
﻿
﻿
8-core 32000MB
32000
25GB - 6000GB
﻿
8-core 48000MB
36000
﻿
﻿
8-core 64000MB
40000
﻿
﻿
12-core 48000MB
36000
25GB - 12000GB
﻿
12-core 72000MB
40000
﻿
﻿
12-core 96000MB
48000
﻿
﻿
16-core 64000MB
60000
﻿
﻿
16-core 96000MB
60000
﻿
﻿
16-core 128000MB
60000
﻿
﻿
24-core 96000MB
72000
﻿
﻿
24-core 144000MB
76000
﻿
﻿
24-core 192000MB
80000
﻿
﻿
32-core 128000MB
80000
﻿
﻿
32-core 192000MB
90000
﻿
﻿
32-core 256000MB
100000
﻿
﻿
48-core 192000MB
120000
﻿
﻿
48-core 288000MB
140000
﻿
﻿
48-core 384000MB
140000
﻿
﻿
64-core 256000MB
150000
﻿
﻿
64-core 384000MB
150000
﻿
﻿
64-core 512000MB
150000
﻿
﻿
90-core 720000MB
150000
﻿
Economical Two-Node (Local SSD) Instances
See this table for the specifications of two-node economical primary instances and read-only instances.
Type
CPU and Memory
Maximum IOPS
Hard Disk
Economical
1-core 2000MB
2000
50GB
﻿
2-core 4000MB
4000
100GB
﻿
4-core 8000MB
8000
150GB
﻿
8-core 16000MB
20000
200GB
Single-Node (Cloud SSD)
Isolation Policy
CPU and Memory
IOPS performance
throughput performance
Storage Space
Basic
1-core 1000MB
Random IOPS = min{1800 + 30 × capacity (GB), 26000} Maximum IOPS: 26000
Throughput = min{120 + 0.2 × capacity (GB), 260} Maximum throughput (MB/s): 260MB/s
20GB - 30000GB
﻿
﻿
﻿
﻿
1-core 2000MB
﻿
﻿
﻿
﻿
2-core 4000MB
﻿
﻿
﻿
﻿
2-core 8000MB
﻿
﻿
﻿
﻿
4-core 8000MB
﻿
﻿
﻿
﻿
4-core 16000MB
﻿
﻿
﻿
﻿
8-core 16000MB
﻿
﻿
﻿
﻿
8-core 32000MB
Single-Node (Enhanced SSD)
Isolation Policy
CPU and Memory
IOPS performance
throughput performance
Storage Space
Basic
1-core 1000MB
Random IOPS = min{1800 + 50 × capacity (GB), 50000} Maximum IOPS: 50000
Throughput = min{120 + 0.5 × capacity (GB), 350} Maximum throughput (MB/s): 350MB/s
20GB - 30000GB
﻿
﻿
﻿
﻿
1-core 2000MB
﻿
﻿
﻿
﻿
2-core 4000MB
﻿
﻿
﻿
﻿
2-core 8000MB
﻿
﻿
﻿
﻿
4-core 8000MB
﻿
﻿
﻿
﻿
4-core 16000MB
﻿
﻿
﻿
﻿
8-core 16000MB
﻿
﻿
﻿
﻿
8-core 32000MB
Single-Node (Premium Disk)
Isolation Policy
CPU and Memory
IOPS performance
throughput performance
Storage Space
Basic
1-core 1000MB
Random IOPS = min{1800 + 8 × capacity (GB), 6000} Maximum IOPS: 6000
Throughput = min{100 + 0.15 × capacity (GB), 150} Maximum throughput (MB/s): 150MB/s
20GB - 30000GB
﻿
﻿
﻿
﻿
1-core 2000MB
﻿
﻿
﻿
﻿
2-core 4000MB
﻿
﻿
﻿
﻿
2-core 8000MB
﻿
﻿
﻿
﻿
4-core 8000MB
﻿
﻿
﻿
﻿
4-core 16000MB
﻿
﻿
﻿
﻿
8-core 16000MB
﻿
﻿
﻿
﻿
8-core 32000MB
Read-Only Instances (LibraDB Engine)
Instance Type
Compute Node Specifications
(CPU and Memory)
Maximum storage capacity
General
4-core 16 GB
7TB
General
8-core 32 GB
7TB
General
16-core 64 GB
15TB
General
24-core 96 GB
15TB
General
32-core 128 GB
15TB
General
48-core 192 GB
15TB
General
64-core 256 GB
15TB
General
96-core 384 GB
15TB
General
128-core 512 GB
15TB

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Isolation Policy	CPU and Memory	Storage Space
Standard	2-core 4000MB	20GB - 32000GB
			2-core 8000MB
			2-core 16000MB
			4-core 8000MB
			4-core 16000MB
			4-core 32000MB
			8-core 16000MB
			8-core 32000MB
			8-core 64000MB
			16-core 32000MB
			16-core 64000MB
			16-core 128000MB
Enhanced	2-core 8000MB	20GB - 32000GB
			2-core 16000MB
			4-core 8000MB
			4-core 16000MB
			4-core 32000MB
			8-core 16000MB
			8-core 32000MB
			8-core 64000MB
			16-core 32000MB
			16-core 64000MB
			16-core 128000MB
			32-core 64000MB
			32-core 128000MB
			32-core 256000MB
			48-core 128000MB
			48-core 192000MB
			64-core 128000MB
			64-core 256000MB
			80-core 160000MB
			80-core 320000MB
			96-core 192000MB
			96-core 384000MB
			112-core 224000MB
			112-core 448000MB
			128-core 256000MB
			128-core 512000MB
			144-core 288000MB
			144-core 576000MB
			160-core 320000MB
			160-core 640000MB
			176-core 352000MB
			176-core 704000MB
			192-core 384000MB
			192-core 768000MB
			384-core 768000MB
			384-core 1536000MB
Flagship	2-core 8000MB	20GB - 32000GB
			2-core 16000MB
			4-core 8000MB
			4-core 16000MB
			4-core 32000MB
			8-core 16000MB
			8-core 32000MB
			8-core 64000MB
			16-core 32000MB
			16-core 64000MB
			16-core 128000MB
			32-core 64000MB
			32-core 128000MB
			32-core 256000MB
			48-core 96000MB
			48-core 128000MB
			48-core 192000MB
			64-core 128000MB
			64-core 256000MB

Isolation Policy	CPU and Memory	Maximum IOPS	Storage Space
General	1-core 1000MB	1200	25GB - 3000GB
		1-core 2000MB		2000
		2-core 4000MB		4000
		4-core 8000MB	8000	25GB - 4000GB
		4-core 16000MB	14000
		4-core 32000MB	18000
		8-core 16000MB	20000	25GB - 6000GB
		8-core 32000MB	28000
		8-core 64000MB	36000
		16-core 32000MB	32000	25GB - 12000GB
		16-core 64000MB	40000
		16-core 96000MB	40000
		16-core 128000MB	40000
		24-core 48000MB	32000
		24-core 192000MB	60000
		24-core 244000MB	60000
		32-core 64000MB	60000
		32-core 128000MB	72000
		32-core 256000MB	80000
		48-core 96000MB	54000
		48-core 488000MB	120000
		64-core 128000MB	100000
		64-core 256000MB	120000
		80-core 690000MB	140000
Exclusive	2-core 16000MB	8000	25GB - 4000GB
		4-core 16000MB		10000
		4-core 24000MB		13000
		4-core 32000MB		16000
		8-core 32000MB	32000	25GB - 6000GB
		8-core 48000MB	36000
		8-core 64000MB	40000
		12-core 48000MB	36000	25GB - 12000GB
		12-core 72000MB	40000
		12-core 96000MB	48000
		16-core 64000MB	60000
		16-core 96000MB	60000
		16-core 128000MB	60000
		24-core 96000MB	72000
		24-core 144000MB	76000
		24-core 192000MB	80000
		32-core 128000MB	80000
		32-core 192000MB	90000
		32-core 256000MB	100000
		48-core 192000MB	120000
		48-core 288000MB	140000
		48-core 384000MB	140000
		64-core 256000MB	150000
		64-core 384000MB	150000
		64-core 512000MB	150000
		90-core 720000MB	150000

Type	CPU and Memory	Maximum IOPS	Hard Disk
Economical	1-core 2000MB	2000	50GB
		2-core 4000MB	4000	100GB
		4-core 8000MB	8000	150GB
		8-core 16000MB	20000	200GB

Isolation Policy	CPU and Memory	IOPS performance	throughput performance	Storage Space
Basic	1-core 1000MB	Random IOPS = min{1800 + 30 × capacity (GB), 26000} Maximum IOPS: 26000	Throughput = min{120 + 0.2 × capacity (GB), 260} Maximum throughput (MB/s): 260MB/s	20GB - 30000GB
					1-core 2000MB
					2-core 4000MB
					2-core 8000MB
					4-core 8000MB
					4-core 16000MB
					8-core 16000MB
					8-core 32000MB

Instance Type	Compute Node Specifications (CPU and Memory)	Maximum storage capacity
General	4-core 16 GB	7TB
General	8-core 32 GB	7TB
General	16-core 64 GB	15TB
General	24-core 96 GB	15TB
General	32-core 128 GB	15TB
General	48-core 192 GB	15TB
General	64-core 256 GB	15TB
General	96-core 384 GB	15TB
General	128-core 512 GB	15TB

tencent cloud

TencentDB for MySQL

Database Instance Specification

cluster edition (cloud disk)

General and Exclusive Two-Node/Three-Node (Local SSD) Instances

Economical Two-Node (Local SSD) Instances

Single-Node (Cloud SSD)

Single-Node (Enhanced SSD)

Single-Node (Premium Disk)

Read-Only Instances (LibraDB Engine)

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