cache.r8gd.4xlarge

cache.r8gd.4xlarge is an AWS ElastiCache size with 16 vCPUs, 124.65 GiB memory. In Europe (Spain) it costs $2.388 per hour on demand ($1,742.95 per month) for Valkey; a 1-year reserved instance with no upfront costs $1.624 per hour, 32% less.

Prices by region

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

Region	On-demand	1-yr reserved	3-yr reserved
Europe (Spain) eu-south-2	$2.388	$1.624	$1.242

Reserved and Savings Plans

Specs

Compute	Value
vCPUs	16
Physical cores	16
Threads per core	1
Architecture	arm64
CPU maker	AWS
Sustained clock	2.8 GHz
Burstable	No

Memory	Value
Memory (GiB)	124.65

Networking	Value
Network	Up to 15 Gbps
Network baseline	7.5 Gbps
Network peak	15 Gbps

Storage	Value
Local disks	1 × 950 GB SSD

Instance details	Value
Instance type	cache.r8gd.4xlarge
Family	r8gd
Category	Memory optimized
Current generation	Yes
Normalization factor	25.6

Other	Value
Hardware Basis	r8gd.4xlarge

Compare cache.r8gd.4xlarge

With or without local disk and networking

vs cache.r8g.4xlarge

Other generations

vs cache.r7gd.4xlarge

Other r8gd sizes

Size	vCPUs	Memory (GiB)	On-demand /hr
cache.r8gd.xlarge	4	29.68	$0.5969
cache.r8gd.2xlarge	8	61.33	$1.194
cache.r8gd.4xlarge	16	124.65	$2.388
cache.r8gd.8xlarge	32	251.27	$4.775
cache.r8gd.12xlarge	48	377.9	$7.163
cache.r8gd.16xlarge	64	504.52	$9.551

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS ElastiCache sizes.