r5b.2xlarge

r5b.2xlarge is an AWS EC2 instance with 8 vCPUs, 64 GiB memory (Intel Xeon Platinum 8259 (Cascade Lake)). In US East (N. Virginia) it costs $0.596 per hour on demand ($435.08 per month) for Linux; a 1-year reserved instance with no upfront costs $0.3755 per hour, 37% less. Spot capacity is about $0.22 per hour. It is sold in 14 regions.

Prices by region

USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.

RegionOn-demandSpot1-yr reserved3-yr reserved1-yr savings plan3-yr savings plan
US East (N. Virginia) us-east-1$0.596$0.22$0.3755$0.2414$0.4318$0.2781
US East (Ohio) us-east-2$0.596$0.1719$0.3755$0.2414$0.4318$0.2781
US West (Oregon) us-west-2$0.596$0.2361$0.3755$0.2414$0.4318$0.2781
EU (Stockholm) eu-north-1$0.6318$0.0851$0.398$0.2559$0.4577$0.2948
Canada (Central) ca-central-1$0.652$0.2212$0.4116$0.2527$0.4767$0.3045
EU (Ireland) eu-west-1$0.668$0.2814$0.4208$0.2741$0.4924$0.3153
EU (Milan) eu-south-1$0.7$0.1986$0.441$0.2835$0.5072$0.3266
EU (London) eu-west-2$0.7$0.2742$0.4431$0.2959$0.5145$0.3304
Asia Pacific (Seoul) ap-northeast-2$0.712$0.2035$0.4486$0.2953$0.5211$0.3399
Asia Pacific (Singapore) ap-southeast-1$0.712$0.2667$0.4486$0.2937$0.5211$0.3376
EU (Frankfurt) eu-central-1$0.712$0.2792$0.4486$0.2937$0.5211$0.3376
Asia Pacific (Tokyo) ap-northeast-1$0.724$0.2272$0.4561$0.2979$0.5359$0.3425
Asia Pacific (Sydney) ap-southeast-2$0.724$0.2556$0.4561$0.2932$0.5276$0.3378
South America (Sao Paulo) sa-east-1$0.948$0.1355$0.5972$0.3905$0.7002$0.4447
Reserved and Savings PlansSpot prices by regionWindows prices by regionAzure equivalents

Prices by operating system in US East (N. Virginia)

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$0.596$0.3755$0.2414
Ubuntu Pro$0.61––
RHEL$0.7112$0.4907$0.3566
SUSE$0.721$0.4355$0.2954
Linux SQL Web$0.7312$0.5107$0.3766
RHEL SQL Web$0.8464––
RHEL HA$0.8512$0.6307$0.4966
Windows$0.964$0.7435$0.6094
Windows SQL Web$1.099$0.8787$0.7446
Linux SQL Std$1.556$1.335$1.201
RHEL SQL Std$1.671––
RHEL HA SQL Std$1.811––
Windows SQL Std$1.924$1.704$1.569
Linux SQL Ent$3.596$3.376$3.241
RHEL SQL Ent$3.711––
RHEL HA SQL Ent$3.851––
Windows SQL Ent$3.964$3.744$3.609

Specs

ComputeValue
vCPUs8
Physical cores4
Threads per core2
Architecturex86_64
ProcessorIntel Xeon Platinum 8259 (Cascade Lake)
CPU makerIntel
Clock speed3.1 GHz
Sustained clock3.1 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNo
MemoryValue
Memory (GiB)64
NetworkingValue
NetworkUp to 10 Gbps
Network baseline2.5 Gbps
Network peak10 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces4
IPv4 addresses per interface15
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughputUp to 12.5 Gbps
EBS baseline bandwidth5,000 Mbps
EBS max bandwidth10,000 Mbps
EBS baseline throughput625 MB/s
EBS max throughput1,250 MB/s
EBS baseline IOPS21,667
EBS max IOPS43,333
Max EBS volumes27
Instance detailsValue
Instance typer5b.2xlarge
Familyr5b
CategoryMemory optimized
Current generationYes
Normalization factor16
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare r5b.2xlarge

With or without local disk and networking

vs r5.2xlarge

Other generations

vs r8ib.2xlarge

Other r5b sizes

SizevCPUsMemory (GiB)On-demand /hr
r5b.large216$0.149
r5b.xlarge432$0.298
r5b.2xlarge864$0.596
r5b.4xlarge16128$1.192
r5b.8xlarge32256$2.384
r5b.12xlarge48384$3.576
r5b.16xlarge64512$4.768
r5b.24xlarge96768$7.152
r5b.metal96768$7.152

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances.