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Target customers: ApsaraDB RDS for PostgreSQL users. Features released: ApsaraDB RDS for PostgreSQL High-availability Edition with standard SSDs or ESSDs now supports the following new instance types: Instance type CPU (cores) Memory (GB) Maximum connections pg.x2.medium.2c 2 4 400 pg.x4.medium.2c 2 8 800 pg.x8.medium.2c 2 16 1600 pg.x8.large.2c 4 32 3200 pg.x8.xlarge.2c 8 64 6400 pg.x2.3large.2c 12 24 2400 pg.x4.3large.2c 12 48 4800 pg.x8.3large.2c 12 96 9600 pg.x2.3xlarge2c 24 48 4800 pg.x4.3xlarge.2c 24 96 9600 pg.x8.3xlarge.2c 24 192 19200 pg.x2.4xlarge.2c 32 64 6400 pg.x2.13large.2c 52 104 10400 pg.x4.13large.2c 52 192 19200 pg.x8.13large.2c 52 384 38400 pg.x2.8xlarge.2c 64 128 12800 pg.x2.13xlarge.2c 104 192 19200 pg.x4.13xlarge.2c 104 384 38400 pg.x8.13xlarge.2c 104 768 76800