NEC D8-30 Configuration Manual page 19

(Cache memory expansion scheme)
①Standard(8 G B )
Cache Module Cache Module
Standard Standard
(CHE)(8GB) (CHE)(8GB)
②Standard(8 G B )⇒Extended(1 6 G B )
Cache Module Cache Module
Standard Standard
(CHE)(8GB) (CHE)(8GB)
Cache Module Cache Module
NF5183- NF5183-
SC21E SC21E
(CHE)(8GB) (CHE)(8GB)
CHE CHE
CHE(4GB)×4 CHE(4GB)×4
16GB 16GB
③Extended(1 6 G B )⇒Extended(3 2 G B )
Standard+ Cache Module
NF5183-SC21E (CHE)(4GB)×4
Extended Cache
Module
NF5183-SC22E
(16GB→32GB)
CHE 32GB CHE(8GB)×4
（Cache module selection matrix）
Product Number
NF5183-SC21E Cache module(CHE) (8GB)
NF5183-SC22E Extended cache module(CHE)
(16GB→32GB)
Extended node chassis (NF-5183-SB03E) does not include cache module. If you use extended node
chassis for node expansion, you need to arrange at least one Cache module(CHE)(8 GB) .
Note : Extended node chassis (NF5183-SB03E) does not include Cache memory.
You need to order NF-5183-SC21E as a standard cache module.
2GB 2GB 2GB 2GB 2GB 2GB 2GB 2GB
CHE00 CHE00 CHE01 CHE01
BBU BBU BBU BBU
2GB 2GB 2GB 2GB 2GB 2GB 2GB 2GB
CHE00 CHE00 CHE01 CHE01
BBU BBU BBU BBU
2GB 2GB 2GB 2GB 2GB 2GB 2GB 2GB
CHE00 CHE00 CHE01 CHE01
BBU BBU BBU BBU
2GB 2GB 2GB 2GB
CHE00 CHE01
BBU BBU
2GB 2GB 2GB 2GB
2GB 2GB 2GB 2GB
2GB 2GB 2GB 2GB
CHE00 CHE01
BBU BBU
Product Name
2GB 2GB 2GB 2GB 2GB 2GB 2GB 2GB
BBU BBU CHE02 CHE02 BBU BBU CHE03 CHE03
2GB 2GB 2GB 2GB 2GB 2GB 2GB 2GB
CHE02 CHE02 CHE03 CHE03
BBU BBU BBU BBU
2GB 2GB 2GB 2GB
BBU CHE02 BBU CHE03
2GB 2GB 2GB 2GB
2GB 2GB 2GB 2GB
2GB 2GB 2GB 2GB
BBU CHE02 BBU CHE03
NF5183-SB401E
Cache capacity
8GB 16GB 32GB
0 1 1
0 0 1
NF5183-SB03E
Cache capacity
8GB 16GB 32GB
1 2 2
0 0 1
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